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 | 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 | 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 | 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 | 
                                                -1,009,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                754,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                267,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                680,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                267,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,016,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,664,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,061,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                290,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,009,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                754,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                73,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,232,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,276,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,307,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,351,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                9,283,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                267,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,927,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                680,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -996,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,143,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                251,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                251,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                740,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,142,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,219,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,664,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -996,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,188,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,926,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,178,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                203,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,076,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,152,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                183,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,779,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,040,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                190,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -999,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -999,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,664,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                680,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,983,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,857,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,998,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                183,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                183,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                183,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                228,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                183,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                162,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                162,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                162,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                162,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                239,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -12,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                88,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                89,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                105,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                134,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                163,071,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                133,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                67,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                146,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                138,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                68,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                67,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                144,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                205,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |