Statement Of Changes In Equity
| Concept | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | As at 2021-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                762,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,175,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,538,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,198,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,654,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                673,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,634,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                762,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,437,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,002,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,889,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,914,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                761,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,349,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,347,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,795,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                761,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,302,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,736,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,115,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,731,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,702,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,823,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,819,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,060,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,971,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,344,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,344,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,344,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,344,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividends of surplus | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -76,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                897,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                413,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | 
                                                18,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                41,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                23,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                304,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                743,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                701,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                286,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                284,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                286,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                699,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,679,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,526,425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,527,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,675,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                331,286,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |