Statement Of Changes In Net Assets
| Concept | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | 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 | As at 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 | 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 | — | 
                                                199,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                60,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -806,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -806,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -833,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -833,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -740,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -740,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||
| Profit (loss) | 
                                                138,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                26,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — |