Statement Of Changes In Net Assets
| Concept | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -151,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,976,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                720,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,986,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                717,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,976,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -151,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,370,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,986,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                707,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -151,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,370,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                410,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,676,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,650,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -151,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                410,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                373,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,642,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,684,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -8,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -29,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -63,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -29,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,335,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,327,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,370,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,388,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,367,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,380,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | 
                                                338,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                338,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                363,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                338,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                338,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                437,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                310,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                302,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                326,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                310,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                307,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                334,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                334,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                314,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -121,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -121,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                315,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                418,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                437,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                296,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                295,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |