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 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | As at 2025-03-31 | 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 | 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 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 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 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 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 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -3,621,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,276,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                931,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                931,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                427,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                363,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,673,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,931,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,452,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,621,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                150,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,301,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,976,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,017,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,249,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,017,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,747,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                19,547,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,874,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,942,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,942,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                483,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                387,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,633,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,621,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,977,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,103,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,075,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,103,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,276,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                13,269,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,977,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,276,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -3,621,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,976,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,772,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,925,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,363,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -99,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,709,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,971,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,971,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,737,677,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                918,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,541,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -260,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,001,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,541,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,976,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,890,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,583,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,688,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                918,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,276,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,276,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -21,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -21,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                415,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,737,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,798,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,327,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,971,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,971,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,254,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,254,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,254,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,239,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,254,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                675,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                675,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                675,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                675,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                226,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -172,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -172,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -73,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -73,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -120,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,040,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,040,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                250,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                838,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,005,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                974,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,040,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -201,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -29,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -29,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                67,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                435,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,658,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                279,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,164,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,979,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                160,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,599,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                184,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                625,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                184,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                184,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -58,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,965,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,599,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |