Statement Of Members' Equity
| Concept | 2020-10-01 to 2021-06-30 | As at 2021-06-30 | As at 2020-09-30 | 2019-10-01 to 2020-06-30 | 
|---|---|---|---|---|
| Statement of members' equity | ||||
| Statement of members' equity | ||||
| Net assets | — | 
                                                2,838,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,709,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Changes during period | ||||
| Profit (loss) | 
                                                -134,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -443,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |