Statement Of Changes In Net Assets
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                1,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,445,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,445,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,407,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,901,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,241,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,065,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,901,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,243,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,405,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -15,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,429,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,254,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,844,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,195,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,254,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,195,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,004,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,019,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,830,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,216,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,041,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,336,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,216,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,336,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,041,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,905,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,905,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,472,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | 
                                                709,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                709,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                699,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                709,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                709,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -39,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -39,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -39,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -39,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                396,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -249,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -249,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                413,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                402,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                386,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                16,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                636,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                646,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                646,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                425,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -45,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -45,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -36,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -82,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -14,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -22,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -14,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -82,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -43,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -61,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -75,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |