Statement Of Changes In Net Assets
| Concept | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 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 | 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 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 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                33,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                675,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                189,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                666,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                189,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,087,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,475,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,109,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                410,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                675,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,695,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,717,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,100,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,520,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                16,277,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                161,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,738,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                666,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,346,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                156,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                156,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                675,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                86,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,312,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,749,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                675,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,475,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -12,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,022,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,704,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                317,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,894,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,901,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,302,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,260,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,362,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                675,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                675,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,475,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                666,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,441,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,293,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,867,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                531,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                531,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                531,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                588,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                531,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                627,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                627,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                627,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                627,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                627,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                351,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                348,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                382,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                405,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                497,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                405,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                348,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                447,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                444,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                532,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                87,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                444,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                444,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                580,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |