Statement Of Changes In Net Assets
| Concept | 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 | 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 | 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 | 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 | 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 | 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 | 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 changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                2,208,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,081,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,076,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                833,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -39,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,209,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                333,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                279,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,074,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                319,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -43,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                39,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                833,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,074,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                961,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                833,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                781,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,869,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                296,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -46,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,869,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                785,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | 
                                                136,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                136,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                136,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                200,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                200,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                200,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                134,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                204,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                205,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                22,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                179,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — |