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 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 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 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                325,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -493,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                172,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                36,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                77,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,830,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,858,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -493,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                172,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                95,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,402,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,430,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,950,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,895,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,867,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                36,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,751,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,963,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                34,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                154,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                126,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,031,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,502,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -116,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,853,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,819,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,785,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                334,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,960,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,494,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,824,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,686,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -159,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -159,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,844,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,665,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,118,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                339,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                616,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                616,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                616,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                576,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                616,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,156,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,156,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,156,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,156,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,065,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -376,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -376,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                447,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                79,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                81,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                42,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                399,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                438,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -9,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,008,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                995,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,085,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,099,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                42,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                13,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,003,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                912,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                39,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,008,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                42,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |