Consolidated Statement Of Profit Or Loss
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|
| Consolidated statement of profit or loss | ||||||
| Statement of profit or loss | ||||||
| Cost of sales | 
                                                5,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                11,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | 
                                                710,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                632,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other income | 
                                                14,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating profit (loss) | 
                                                -1,345,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,504,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Finance income | 
                                                5,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                13,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Finance costs | 
                                                7,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before tax | 
                                                -1,332,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,489,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | 
                                                -1,332,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,332,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,332,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,489,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,489,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,489,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to | ||||||
| Owners of parent | 
                                                -1,332,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,489,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Earnings (loss) per share | ||||||
| Basic earnings (loss) per share | 
                                                -23.65
                                                
                                             | — | — | — | 
                                                -26.79
                                                
                                             | — | 
| Diluted earnings (loss) per share | 
                                                -23.65
                                                
                                             | — | — | — | 
                                                -26.79
                                                
                                             | — |