Statement Of Changes In Net Assets
| Concept | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                5,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -374,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                117,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                237,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                219,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                387,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                270,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -374,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                270,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                217,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                156,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -452,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                151,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                387,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -452,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -525,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -155,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                270,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -155,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -525,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                270,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                307,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                117,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                312,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                117,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                72,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — |