Statement Of Members' Equity
| Concept | 2024-01-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-12-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|---|---|
| Statement of members' equity | ||||
| Statement of members' equity | ||||
| Net assets | — | 
                                                1,247,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,157,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Changes during period | ||||
| Profit (loss) | 
                                                -304,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -227,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |