Statement Of Changes In Net Assets
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 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 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 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 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -309,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                98,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,553,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                98,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,441,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,012,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                577,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -309,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                431,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                239,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,780,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,351,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,470,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,590,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                10,540,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                98,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,340,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,553,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -313,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,682,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                203,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                203,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                203,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,225,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,373,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                309,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -313,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                239,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,397,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,882,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                515,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                301,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,543,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                368,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,916,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,177,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,607,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                239,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,150,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,687,474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,793,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -316,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -316,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,553,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,519,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,570,953,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,496,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                561,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                533,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                201,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                164,287,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -105,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -105,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                97,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                101,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                130,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                192,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                125,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -105,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -234,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -268,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -230,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -143,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                86,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -234,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -121,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |