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General and administrative expenses (Tables) | 12 Months Ended
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Dec. 31, 2025
General and Administrative Expenses [Abstract] |
Summary of General and administrative expenses | General and administrative expenses for the years ended December 31, 2023, 2024 and 2025 are as follows:
|  | 2023 |  |  | 2024 |  |  | 2025 |
Employee benefits: |  |  |  |  |  |  |  |  |  |  |  |
Salaries |  | W | 3,247,162 |  |  |  | 3,316,503 |  |  |  | 3,522,053 |
Severance benefits: |  |  |  |  |  |  |  |  |  |  |  |
Defined contribution |  |  | 35,679 |  |  |  | 37,745 |  |  |  | 40,817 |
Defined benefit |  |  | 109,444 |  |  |  | 114,943 |  |  |  | 143,751 |
|  |  | 145,123 |  |  |  | 152,688 |  |  |  | 184,568 |
Termination benefits |  |  | 197,184 |  |  |  | 235,330 |  |  |  | 279,693 |
|  |  | 3,589,469 |  |  |  | 3,704,521 |  |  |  | 3,986,314 |
Entertainment |  |  | 46,050 |  |  |  | 46,903 |  |  |  | 48,345 |
Depreciation |  |  | 514,100 |  |  |  | 535,571 |  |  |  | 541,607 |
Amortization |  |  | 225,900 |  |  |  | 279,095 |  |  |  | 308,321 |
Taxes and utility bills |  |  | 245,723 |  |  |  | 272,018 |  |  |  | 316,925 |
Advertising |  |  | 285,495 |  |  |  | 315,281 |  |  |  | 319,845 |
Research |  |  | 21,494 |  |  |  | 23,917 |  |  |  | 27,341 |
Others |  |  | 967,106 |  |  |  | 938,934 |  |  |  | 853,802 |
|  | W | 5,895,337 |  |  |  | 6,116,240 |  |  |  | 6,402,500 |

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