Statement Of Changes In Equity
| Concept | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                1,367,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                802,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                802,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -252,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                818,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,367,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -252,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                788,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                388,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,950,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                772,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                772,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,950,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                388,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                298,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                744,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                298,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                744,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||
| Issuance of new shares | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                58,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,115,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,115,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -583,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -583,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -641,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,206,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                557,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,206,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — |