Statement Of Changes In Net Assets
| Concept | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 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 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 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 | 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 | 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 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 | — | 
                                                3,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,232,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,182,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                229,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,843,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,843,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,232,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,752,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,748,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,752,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                237,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                233,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,795,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                928,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,134,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,957,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,184,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,968,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,957,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,184,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,795,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                917,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                917,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                928,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                13,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,073,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,186,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,186,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,074,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                593,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                606,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,575,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,575,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                525,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                606,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                593,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,073,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -779,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -894,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                3,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -698,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -694,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -683,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -679,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -779,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -794,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -13,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                323,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                609,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                609,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                335,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                321,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -883,772,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -894,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                609,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                609,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |