Statement Of Changes In Net Assets
| Concept | 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 | 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 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                1,047,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -512,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,360,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -512,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,351,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -572,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                970,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                191,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                191,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                970,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -572,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -606,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,346,369,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                925,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -606,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                925,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||
| Profit (loss) | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                8,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — |