Consolidated Statement Of Profit Or Loss
| Concept | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-04-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-04-01 to 2023-06-30 | 
|---|---|---|---|---|---|---|---|---|
| Consolidated statement of profit or loss | ||||||||
| Statement of profit or loss | ||||||||
| Cost of sales | 
                                                2,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | 
                                                377,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                201,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                320,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                148,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other income | 
                                                5,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                386,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                -675,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -337,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -747,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -301,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Finance income | 
                                                4,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Finance costs | 
                                                4,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before tax | 
                                                -668,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -326,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -744,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -300,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                -668,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -668,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -326,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -668,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -744,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -744,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -744,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -300,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to | ||||||||
| Owners of parent | 
                                                -668,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -326,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -744,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -300,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Earnings (loss) per share | ||||||||
| Basic earnings (loss) per share | 
                                                -11.90
                                                
                                             | — | 
                                                -5.79
                                                
                                             | — | 
                                                -13.48
                                                
                                             | — | — | 
                                                -5.41
                                                
                                             | 
| Diluted earnings (loss) per share | 
                                                -11.90
                                                
                                             | — | 
                                                -5.79
                                                
                                             | — | 
                                                -13.48
                                                
                                             | — | — | 
                                                -5.41
                                                
                                             |