Statement Of Members' Equity
| Concept | 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 | 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 | 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 | 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 | 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 | As at 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 | 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 | 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 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                141,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                46,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                51,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,480,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,589,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,150,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,259,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,944,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,641,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,526,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                46,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,209,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,879,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                37,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,921,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,815,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,297,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,251,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,246,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,766,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,703,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,065,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,118,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,089,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,096,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,735,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                335,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                335,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                335,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                402,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                335,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                173,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                173,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                173,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                173,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                247,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | 
                                                6,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                128,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                270,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                279,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                337,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                343,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                270,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                141,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                128,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                112,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                207,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |