| Mar 31, 2017 | Mar 31, 2018 | Mar 31, 2019 | Mar 31, 2020 |
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| Ordinary income | 10,071 | 12,268 | 14,941 | 18,334 |
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| Underwriting income | 10,067 | 12,212 | 14,831 | 18,115 |
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| Net premiums written | 10,067 | 12,212 | 14,831 | 18,115 |
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| Investment income | 4 | 50 | 60 | 173 |
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| Interest and dividend income | 3 | 30 | 60 | 125 |
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| Gain on money held in trust | - | - | - | 7 |
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| Gain on sales of securities | - | 19 | - | 40 |
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| Other operating income | - | 6 | 49 | 45 |
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| Ordinary expenses | 9,773 | 11,706 | 14,643 | 17,920 |
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| Underwriting expenses | 5,851 | 6,983 | 9,398 | 12,237 |
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| Net claims paid | 3,628 | 4,523 | 5,788 | 7,443 |
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| Loss adjustment expenses | 277 | 354 | 493 | 623 |
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| Commissions and collection fees | 984 | 1,146 | 1,658 | 2,320 |
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| Provision of outstanding claims | 161 | 162 | 168 | 326 |
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| Provision of policy reserve | 799 | 796 | 1,289 | 1,522 |
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| Investment expenses | - | - | 15 | 55 |
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| Loss on money held in trust | - | - | - | 1 |
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| Loss on sales of securities | - | - | 1 | 33 |
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| Foreign exchange losses | - | - | 2 | 1 |
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| Other investment expenses | - | - | 11 | 18 |
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| Sales and administrative expenses | 3,921 | 4,713 | 5,224 | 5,579 |
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| Other operating expenses | - | 9 | 4 | 49 |
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| Interest expenses | - | - | - | - |
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| Provision of allowance for doubtful accounts | - | -3 | - | - |
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| Other | - | 12 | 3 | 49 |
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| Ordinary profit (loss) | 297 | 561 | 297 | 413 |
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| Extraordinary income | - | - | 170 | - |
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| Settlement received | - | - | 170 | - |
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| Extraordinary losses | 6 | 258 | 3 | 6 |
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| Provision of reserves under special laws | - | 2 | 3 | 6 |
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| Provision of reserve for price fluctuation | - | 2 | 3 | 6 |
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| Profit (loss) before income taxes | 291 | 303 | 464 | 406 |
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| Income taxes - current | 102 | 77 | 348 | 341 |
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| Income taxes for prior periods | - | - | 28 | - |
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| Income taxes - deferred | -7 | 193 | -764 | -197 |
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| Income taxes | 94 | 271 | -387 | 144 |
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| Profit (loss) | 196 | 32 | 851 | 261 |
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