Semi-Annual Balance Sheet
| Concept | As at 2025-02-28 | As at 2024-08-31 | 
|---|---|---|
| Semi-annual balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                3,276,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,329,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                53,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,426,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,605,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Prepaid expenses | 
                                                33,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                2,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Tools, furniture and fixtures | 
                                                11,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accumulated depreciation | 
                                                -9,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Tools, furniture and fixtures, net | 
                                                2,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investments and other assets | 
                                                22,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term prepaid expenses | 
                                                9,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                12,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                24,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                3,451,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,632,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                27,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                60,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                204,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                471,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - other | 
                                                117,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                382,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                204,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                471,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Net assets | ||
| Share capital | 
                                                876,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                845,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | ||
| Capital surplus | ||
| Capital surplus | 
                                                9,065,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,034,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                -6,698,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,721,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                3,244,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,158,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                3,246,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,161,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                2,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,451,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,632,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |