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 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 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 | 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 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 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 | 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 | 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 | As at 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                126,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,961,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                305,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                305,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                824,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                38,891,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,785,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,130,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,961,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                30,516,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,410,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,774,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,915,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                39,197,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                305,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                638,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,618,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,961,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,243,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                310,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                310,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                33,836,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,494,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,961,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,161,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,212,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                949,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,929,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                131,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                457,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,872,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,545,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,119,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,080,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,439,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                225,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,790,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,537,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,206,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,745,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -121,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -121,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -121,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                178,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -121,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -2,981,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -2,981,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -2,981,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -2,981,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -5,260,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -720,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -726,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -731,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -426,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -245,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -426,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -726,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,624,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,868,076,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                413,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,588,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,510,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,959,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                491,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                78,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,629,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,908,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,376,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -1,959,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |