| 2023/3 | 2024/3 |
| Assets | | |
| Current assets | | |
| Cash and deposits | 5,097,947 | 9,928,521 |
| Notes and accounts receivable - trade, and contract assets | 14,668,409 | 8,620,110 |
| Work in process | 3,712 | 10,383 |
| Supplies | 6,080 | 8,079 |
| Other | 507,459 | 847,033 |
| Allowance for doubtful accounts | -4,091 | -3,013 |
| Total current assets | 20,279,517 | 19,411,115 |
| Non-current assets | | |
| Property, plant and equipment | | |
| Buildings | 376,055 | 474,026 |
| Accumulated depreciation | -186,142 | -218,182 |
| Buildings, net | 189,912 | 255,844 |
| Vehicles | 24,367 | 29,617 |
| Accumulated depreciation | -21,450 | -27,755 |
| Vehicles, net | 2,916 | 1,861 |
| Tools, furniture and fixtures | 336,074 | 353,141 |
| Accumulated depreciation | -229,060 | -254,535 |
| Tools, furniture and fixtures, net | 107,014 | 98,605 |
| Total property, plant and equipment | 299,843 | 356,312 |
| Intangible assets | 107,311 | 325,375 |
| Investments and other assets | | |
| Investment securities | 76,436 | 214,681 |
| Deferred tax assets | 425,916 | 278,218 |
| Other | 620,663 | 627,581 |
| Allowance for doubtful accounts | - | -3,337 |
| Total investments and other assets | 1,123,016 | 1,117,143 |
| Total non-current assets | 1,530,172 | 1,798,831 |
| Total assets | 21,809,690 | 21,209,946 |
| Liabilities | | |
| Current liabilities | | |
| Short-term borrowings | 36,000 | 36,000 |
| Current portion of bonds payable | 30,000 | 20,000 |
| Current portion of long-term borrowings | 286,704 | 339,872 |
| Accounts payable - other | 3,682,745 | 2,964,789 |
| Accrued expenses | 713,463 | 416,401 |
| Income taxes payable | 1,379,821 | 99,007 |
| Accrued consumption taxes | 738,792 | 270,158 |
| Contract liabilities | 15,681 | 194,482 |
| Deposits received | 191,281 | 1,198,503 |
| Provision for bonuses | 313,016 | 318,909 |
| Provision for bonuses for directors (and other officers) | 13,120 | - |
| Asset retirement obligations | 21,310 | 1,085 |
| Other | 33,350 | 6,487 |
| Total current liabilities | 7,455,286 | 5,865,695 |
| Non-current liabilities | | |
| Bonds payable | 20,000 | - |
| Long-term borrowings | 693,036 | 653,164 |
| Retirement benefit liability | 937 | 314 |
| Asset retirement obligations | 77,410 | 158,829 |
| Other | 36,341 | 56,189 |
| Total non-current liabilities | 827,725 | 868,497 |
| Total liabilities | 8,283,011 | 6,734,193 |
| Net assets | | |
| Shareholders' equity | | |
| Share capital | 400,567 | 405,967 |
| Capital surplus | 241,861 | 247,261 |
| Retained earnings | 13,188,505 | 14,085,010 |
| Treasury shares | -443,448 | -443,764 |
| Total shareholders' equity | 13,387,485 | 14,294,474 |
| Accumulated other comprehensive income | | |
| Valuation difference on available-for-sale securities | 17,107 | 40,173 |
| Total accumulated other comprehensive income | 17,107 | 40,173 |
| Share acquisition rights | 58,248 | 59,720 |
| Non-controlling interests | 63,836 | 81,384 |
| Total net assets | 13,526,678 | 14,475,753 |
| Total liabilities and net assets | 21,809,690 | 21,209,946 |
