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 | 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 | 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 | 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 | 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 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 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 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -999,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,379,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                87,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,182,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                280,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                334,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,162,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,912,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,488,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -999,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                873,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,420,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                197,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,814,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,523,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,436,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,400,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                9,250,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                87,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                341,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,104,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,182,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -706,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,463,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                50,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,420,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                77,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                8,504,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,086,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,379,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -706,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                197,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,552,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,186,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,366,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                912,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,155,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                493,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,276,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                550,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,967,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,898,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                165,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,100,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,905,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -105,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,388,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,347,811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -678,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -678,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,182,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,593,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,913,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,422,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -26,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -26,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -26,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,358,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -26,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -4,192,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,192,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -4,192,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,192,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,297,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                167,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -293,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -293,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -649,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -942,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -38,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -904,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,274,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,152,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,981,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -649,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,812,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,913,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                292,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,808,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -4,750,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                361,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -27,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                872,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                58,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,812,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,918,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,041,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -27,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                31,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |