Consolidated Statement Of Income
| Concept | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2024-02-01 to 2024-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 2023-02-01 to 2023-07-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||
| Statement of income | ||||||||||||||
| Net sales | 
                                                2,077,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                287,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,732,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,020,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,090,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                153,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,624,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,777,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,794,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,789,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                1,326,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,137,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||
| Selling, general and administrative expenses | 
                                                688,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                616,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision of allowance for doubtful accounts | 
                                                1,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||
| Other operating expenses | ||||||||||||||
| Operating expenses | ||||||||||||||
| Ordinary profit (loss) | 
                                                53,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                29,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                62,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -273,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                335,821,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -195,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                215,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||
| Gross profit (loss) | 
                                                750,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                652,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||||||
| General and administrative expenses | ||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||
| Non-operating income | ||||||||||||||
| Other | 
                                                961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                1,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||||||||||||||
| Non-operating expenses | ||||||||||||||
| Interest expenses | 
                                                5,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                94,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                9,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                53,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                29,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||||||||||||||
| Income taxes - current | 
                                                24,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | 
                                                10,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                35,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                17,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                17,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | 
                                                663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||
| Comprehensive income | 
                                                18,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | 
                                                18,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |