Statement Of Members' Equity
| Concept | As at 2025-03-31 | 2024-04-01 to 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 | 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 | 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 | 2024-04-01 to 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 | 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 | 2024-04-01 to 2025-03-31 | 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 | 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 | 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 | 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 | 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 | 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 | 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 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 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                226,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -79,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                912,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                920,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                925,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,474,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,395,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,148,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                920,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -79,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                22,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,569,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,243,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                766,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,019,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                4,412,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                925,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,920,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -47,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,984,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,577,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,585,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                157,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,676,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,165,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,395,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -47,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,153,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,612,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,585,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,528,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                243,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,666,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,661,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,849,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                738,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,016,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,441,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,476,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,666,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -44,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -44,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,395,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                882,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,016,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,789,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,501,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                256,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -317,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -317,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -317,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -313,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -317,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                309,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                -5,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -665,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -665,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -664,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -669,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -669,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                42,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -79,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -80,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -84,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -80,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -33,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -5,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -665,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -665,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -664,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -31,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -398,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -446,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,115,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -464,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,133,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -432,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -415,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -16,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                42,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                148,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                170,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                131,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                51,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -80,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -84,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                135,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -80,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |