Statement Of Changes In Net Assets
| Concept | 2023-01-01 to 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 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                370,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,378,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                646,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,377,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                360,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                360,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                646,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                587,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,316,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                359,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                359,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,316,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                369,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                587,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                290,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                451,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                290,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                451,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                60,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                59,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                284,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                297,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                284,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                865,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                284,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                865,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — |