Statement Of Income
| Concept | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                39,453,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,998,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,451,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,450,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,868,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,298,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,166,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,160,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||
| Operating revenue | ||||||||||
| Operating expenses | ||||||||||
| Operating expenses - general | ||||||||||
| Salaries and allowances | — | — | — | 
                                                1,998,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,986,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | — | 
                                                95,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                88,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Cost of sales | ||||||||||
| Cost of sales | — | — | — | 
                                                40,369,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                39,448,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | — | — | — | 
                                                5,488,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,141,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Provision of allowance for doubtful accounts | — | — | — | 
                                                -4,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Other operating expenses | ||||||||||
| Operating expenses | ||||||||||
| General and administrative expenses | ||||||||||
| Operating profit (loss) | 
                                                1,733,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                708,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,441,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,593,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -847,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                602,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,738,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,340,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,570,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -770,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||
| Interest income | — | — | — | 
                                                4,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit (loss) | — | — | — | 
                                                7,081,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,711,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | — | 
                                                1,770,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,720,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||
| Selling, general and administrative expenses | ||||||||||
| Bonuses | — | — | — | 
                                                516,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                473,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||
| Non-operating income | — | — | — | 
                                                209,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                180,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | 
| Dividend income | — | — | — | 
                                                23,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                19,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | — | 
                                                55,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                39,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase discounts | — | — | — | 
                                                67,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                62,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | — | — | — | 
                                                19,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Interest expenses | — | — | — | 
                                                8,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Extraordinary losses | — | — | — | 
                                                38,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Non-operating expenses | — | — | — | 
                                                32,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | 
| Other | — | — | — | 
                                                1,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||
| Gain on sale of non-current assets | — | — | — | 
                                                1,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gain on sale of investment securities | — | — | — | 
                                                17,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                1,751,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,723,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||
| Loss on retirement of non-current assets | — | — | — | 
                                                5,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | — | 
                                                531,926,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                359,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||
| Income taxes - deferred | — | — | — | 
                                                135,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                284,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes | — | — | — | 
                                                667,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                644,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | — | — | — | 
                                                1,084,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,078,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |