Statement Of Changes In Net Assets
| Concept | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                266,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                619,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                609,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,105,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,109,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                266,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,103,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,105,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,037,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                12,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                266,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                266,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                557,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,035,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,054,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,053,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                552,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                490,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                540,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                479,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                503,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                540,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | 
                                                123,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                107,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                107,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                107,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                107,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                149,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                130,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                130,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                130,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                130,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                3,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                51,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                67,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                51,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                51,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                552,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                548,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                95,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                529,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                58,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |