| Jun 30,
2021 | Jun 30,
2022 | Jun 30,
2023 | Jun 30,
2024 |
|---|
| Cash and deposits | - | 1,581 | 1,778 | 2,038 |
|---|
| Accounts receivable - trade | - | 466 | 929 | 1,162 |
|---|
| Current portion of long-term loans receivable | - | 18 | - | - |
|---|
| Other | - | 59 | 46 | 55 |
|---|
| Other | - | 59 | 46 | 55 |
|---|
| Allowance for doubtful accounts | - | -20 | -10 | -8 |
|---|
| Allowance for doubtful accounts | - | -20 | -10 | -8 |
|---|
| Current assets | - | 2,104 | 2,742 | 3,246 |
|---|
| Current assets | - | 2,104 | 2,742 | 3,246 |
|---|
| Buildings and structures, net | - | 78 | 89 | 428 |
|---|
| Buildings and structures | - | 88 | 104 | 458 |
|---|
| Accumulated depreciation | - | -10 | -15 | -30 |
|---|
| Buildings and structures, net | - | 78 | 89 | 428 |
|---|
| Land | - | - | 79 | 79 |
|---|
| Vehicles | - | 5 | 9 | 14 |
|---|
| Accumulated depreciation | - | -1 | -3 | -7 |
|---|
| Vehicles, net | - | 5 | 6 | 7 |
|---|
| Construction in progress | - | 13 | 17 | 58 |
|---|
| Tools, furniture and fixtures | - | 34 | 53 | 184 |
|---|
| Accumulated depreciation | - | -22 | -28 | -51 |
|---|
| Tools, furniture and fixtures, net | - | 12 | 26 | 134 |
|---|
| Land | - | - | 79 | 79 |
|---|
| Property, plant and equipment | - | 108 | 217 | 706 |
|---|
| Construction in progress | - | 13 | 17 | 58 |
|---|
| Property, plant and equipment | - | 108 | 217 | 706 |
|---|
| Software | - | 57 | 40 | 59 |
|---|
| Software in progress | - | 5 | 34 | 156 |
|---|
| Other | - | - | 0 | 0 |
|---|
| Intangible assets | - | 61 | 75 | 215 |
|---|
| Guarantee deposits | - | 21 | 20 | 97 |
|---|
| Deferred tax assets | - | 44 | 90 | 48 |
|---|
| Other | - | 1 | 2 | 3 |
|---|
| Investments and other assets | - | 66 | 112 | 148 |
|---|
| Non-current assets | - | 235 | 404 | 1,069 |
|---|
| Assets | - | 2,340 | 3,146 | 4,315 |
|---|
| Accounts payable - trade | - | 5 | 8 | 14 |
|---|
| Current portion of bonds payable | - | 70 | 70 | - |
|---|
| Current portion of long-term borrowings | - | 165 | 159 | 135 |
|---|
| Accounts payable - other | - | 310 | 689 | 829 |
|---|
| Accrued expenses | - | 60 | 231 | 222 |
|---|
| Income taxes payable | - | 1 | 1 | 192 |
|---|
| Accrued consumption taxes | - | 223 | 423 | 454 |
|---|
| Asset retirement obligations | - | - | 2 | 1 |
|---|
| Provision for bonuses | - | 41 | 85 | 113 |
|---|
| Other | - | 46 | 125 | 187 |
|---|
| Current liabilities | - | 921 | 1,794 | 2,176 |
|---|
| Long-term borrowings | - | 527 | 368 | 193 |
|---|
| Bonds payable | - | 70 | - | - |
|---|
| Asset retirement obligations | - | 26 | 20 | 49 |
|---|
| Long-term borrowings | - | 527 | 368 | 193 |
|---|
| Non-current liabilities | - | 623 | 388 | 243 |
|---|
| Asset retirement obligations | - | 26 | 20 | 49 |
|---|
| Non-current liabilities | - | 623 | 388 | 243 |
|---|
| Liabilities | - | 1,544 | 2,182 | 2,419 |
|---|
| Share capital | - | 10 | 10 | 316 |
|---|
| Retained earnings | - | 785 | 953 | 1,274 |
|---|
| Retained earnings brought forward | - | 785 | 953 | 1,274 |
|---|
| Retained earnings | - | 785 | 953 | 1,274 |
|---|
| Shareholders' equity | - | 795 | 963 | 1,895 |
|---|
| Share acquisition rights | - | 1 | 1 | 1 |
|---|
| Net assets | 783 | 795 | 964 | 1,896 |
|---|
| Liabilities and net assets | - | 2,340 | 3,146 | 4,315 |
|---|