Statement Of Changes In Net Assets
| Concept | 
                                    
                                        2024-09-01 to 2025-02-28  | 
                            
                                
                                    
                                        As at 2025-02-28  | 
                            
                                
                                    
                                        As at 2024-08-31  | 
                            
                                
                                    
                                        2023-09-01 to 2024-02-29  | 
                            
                        
|---|---|---|---|---|
| Statement of changes in net assets | ||||
| Statement of changes in net assets | ||||
| Net assets | — | 
                                        
                                             
                                                27,244,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                27,750,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Changes during period | ||||
| Profit (loss) | 
                                        
                                             
                                                -330,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | — | 
                                        
                                             
                                                21,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |