Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-06-30 | 2023-07-01 to 2024-06-30 | As at 2023-06-30 | 2022-07-01 to 2023-06-30 | As at 2022-06-30 | 
|---|---|---|---|---|---|
| Semi-annual statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Profit (loss) before income taxes | — | 
                                                134,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | 
                                                30,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in allowance for doubtful accounts | — | 
                                                3,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest expenses | — | 
                                                17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Foreign exchange losses (gains) | — | 
                                                -4,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Decrease (increase) in inventories | — | 
                                                5,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Increase (decrease) in trade payables | — | 
                                                21,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                43,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Subtotal | — | 
                                                180,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                28,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                180,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                28,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Net cash provided by (used in) investing activities | — | 
                                                -5,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -42,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Repayments of long-term borrowings | — | 
                                                -104,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -20,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from issuance of shares | — | 
                                                418,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of treasury shares | — | 
                                                -147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                357,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                239,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                4,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                531,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                226,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                1,658,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,127,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                900,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |