Statement Of Income
| Concept | 2024-01-01 to 2024-12-31 | 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 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|
| Statement of income | ||||||||
| Statement of income | ||||||||
| Operating revenue | ||||||||
| Operating revenue | — | — | — | 
                                                1,329,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,369,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Depreciation | — | — | — | 
                                                7,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Other operating expenses | ||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | 
| Operating expenses | — | — | — | 
                                                1,236,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,257,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||
| Operating expenses - general | ||||||||
| Operating profit (loss) | — | — | — | 
                                                93,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                111,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||
| Interest income | — | — | — | 
                                                85,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | — | 
                                                104,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| General and administrative expenses | ||||||||
| Extraordinary income | — | — | — | 
                                                2,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||
| Non-operating income | — | — | — | 
                                                11,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Financial revenue | — | — | — | — | — | — | — | — | 
| Dividend income | — | — | — | 
                                                1,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | 
                                                760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Interest expenses | — | — | — | 
                                                14,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                28,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Selling, general and administrative expenses | ||||||||
| Non-operating expenses | — | — | — | 
                                                64,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Financial expenses | — | — | — | — | — | — | — | — | 
| Extraordinary losses | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Miscellaneous losses | — | — | — | 
                                                49,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | ||||||||
| Profit (loss) before income taxes | — | — | — | 
                                                107,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                114,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | 
                                                38,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                57,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||
| Income taxes - deferred | — | — | — | 
                                                -661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -16,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| General and administrative expenses | ||||||||
| Income taxes | — | — | — | 
                                                37,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                40,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                69,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |