| Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Profit (loss) before income taxes | 177 | 219 | 175 | 156 | 125 |
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| Depreciation | 30 | 41 | 74 | 83 | 108 |
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| Amortization of goodwill | 0 | - | - | - | 30 |
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| Impairment losses | 2 | - | - | - | 6 |
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| Share-based payment expenses | - | - | - | - | 28 |
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| Increase (decrease) in provision for provision for loss on relocation | - | - | - | - | 2 |
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| Increase (decrease) in provision for bonuses | - | - | - | - | 4 |
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| Increase (decrease) in refund liabilities of commision | 12 | 5 | 7 | 6 | 28 |
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| Interest and dividend income | -1 | -1 | -1 | -0 | -1 |
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| Loss (gain) on valuation of investment securities | - | - | - | 2 | - |
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| Loss (gain) on sale of non-current assets | -1 | 0 | -1 | -2 | - |
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| Loss on retirement of non-current assets | 3 | - | 11 | 0 | - |
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| Loss on cancellation of leases | - | - | 2 | 0 | - |
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| Foreign exchange losses (gains) | 0 | -0 | -0 | -0 | - |
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| Interest expenses | 2 | 2 | 1 | 2 | 13 |
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| Subsidy income | - | - | - | -1 | - |
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| Settlement income | - | - | - | -2 | - |
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| Insurance claim income | - | - | - | - | -0 |
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| Compensation income | - | - | - | - | -3 |
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| Commission expenses | - | - | - | - | 2 |
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| Decrease (increase) in trade receivables | -151 | 2 | 0 | -160 | 137 |
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| Increase (decrease) in accrued consumption taxes | 47 | -14 | -2 | -4 | 12 |
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| Increase (decrease) in operation accounts payable | 85 | 45 | 36 | 41 | 43 |
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| Increase (decrease) in accrued expenses | 8 | -2 | 0 | 7 | 13 |
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| Increase (decrease) in deposits received | -16 | -0 | -2 | 6 | 7 |
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| Other, net | 3 | -13 | -4 | -22 | -16 |
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| Subtotal | 213 | 273 | 303 | 113 | 536 |
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| Interest and dividends received | 1 | 1 | 1 | 0 | 1 |
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| Interest paid | -2 | -2 | -1 | -2 | -12 |
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| Subsidies received | - | - | - | 1 | - |
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| Settlement received | - | - | - | 2 | - |
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| Proceeds from insurance income | - | - | - | - | 0 |
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| Proceeds from compensation | - | - | - | - | 3 |
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| Commission expenses paid | - | - | - | - | -20 |
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| Income taxes paid | -9 | -85 | -60 | -61 | -91 |
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| Income taxes refund | 13 | - | - | 0 | 0 |
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| Net cash provided by (used in) operating activities | 215 | 187 | 242 | 54 | 418 |
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| Purchase of property, plant and equipment | -21 | -8 | -11 | -25 | -12 |
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| Proceeds from sale of property, plant and equipment | 1 | - | 2 | 4 | - |
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| Purchase of intangible assets | -105 | -82 | -60 | -118 | -38 |
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| Purchase of investment securities | - | - | - | -2 | - |
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| Long-term loans advances | - | - | - | - | -1 |
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| Proceeds from collection of long-term loans receivable | 2 | 3 | 1 | 1 | 1 |
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| Payments of leasehold and guarantee deposits | -12 | -2 | -4 | -4 | -40 |
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| Proceeds from refund of leasehold and guarantee deposits | 5 | 1 | 0 | 0 | 2 |
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| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | -134 |
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| Other, net | - | - | - | 0 | - |
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| Net cash provided by (used in) investing activities | -126 | -83 | -71 | -143 | -222 |
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| Net increase (decrease) in short-term borrowings | -51 | 50 | - | -50 | - |
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| Proceeds from long-term borrowings | 2 | 50 | 100 | 300 | 1,050 |
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| Repayments of long-term borrowings | -125 | -110 | -98 | -167 | -179 |
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| Proceeds from issuance of shares | 244 | - | 201 | 4 | - |
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| Purchase of treasury shares | - | - | - | -0 | -0 |
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| Repayments of lease liabilities | - | - | -12 | -9 | -12 |
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| Net cash provided by (used in) financing activities | 69 | -14 | 192 | 77 | 859 |
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| Effect of exchange rate change on cash and cash equivalents | -4 | 6 | 16 | 10 | 17 |
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| Net increase (decrease) in cash and cash equivalents | 154 | 96 | 379 | -2 | 1,071 |
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