Statement Of Members' Equity
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                64,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                552,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                59,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,715,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,662,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,995,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                495,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,434,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,714,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,044,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,779,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                64,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -11,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,494,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                552,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,213,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                66,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,523,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                829,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,362,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                495,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,859,808,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,804,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,561,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,907,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                724,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                495,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,496,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,203,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,162,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                552,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,508,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,188,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,215,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                304,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                304,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                304,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                274,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                304,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                377,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -6,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -2,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -6,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -8,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                52,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                52,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                52,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                52,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                43,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -79,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                220,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                218,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                190,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                184,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                190,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                105,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                307,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -8,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                305,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                358,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                52,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                305,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                307,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                351,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |