Quarterly Consolidated Statement Of Cash Flows
| Concept | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2023-01-31 | 
|---|---|---|---|---|---|
| Quarterly consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Profit (loss) before income taxes | — | 
                                                6,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -84,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                23,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividend income | — | 
                                                -29,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Foreign exchange losses (gains) | — | 
                                                -550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -96,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in trade receivables | — | 
                                                -11,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -22,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                8,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                31,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -71,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                29,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                31,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -25,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -3,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                28,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -72,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -3,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -20,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -45,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -53,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from issuance of shares | — | 
                                                1,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                67,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                1,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                67,834,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                96,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -15,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -58,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                314,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                330,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                388,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |