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| Kaizoku Oukan | 2001-04-20 | 6.50 (12) |
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| Kaizoku Musume-gari ~Nami Ryoujoku Taikyuu "1-oku Berry Tameru Made wa"~ | 2012-02-04 | 5.70 (5) |
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| Kaiwa 2 | 2024-04-22 | - (4) |
| Kaiwa | 2022-07-09 | - (1) |
| Kaitou Z ~Anata no Heart o Nusumimasu~ | 2000-09-29 | - (1) |
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| Kaitou Tenshi Twin Angel ~Maboroshi no Shoujo~ | 2009-01-01 | - (4) |
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| Kaitou Apricot Gaiden Mitsuru Hen | 2002-11-23 | - (1) |
| Kaitou Apricot | 2002-03-15 | 6.60 (8) |
| Kaitou Akyua ~Kutsujoku no Matsuro~ | 2017-04-15 | - |
| Kaito to Issho | 2008-10-19 | - |
| Kaitlyn: The Perfect Date | 2016-08-22 | - (4) |
| Kaitlyn's Awakening | - | - |
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| Kaitlyn in Chinaland | 2015-11-25 | 5.90 (9) |
| Kaitei Gunkan | 1984-11 | - (1) |
| Kaite Aru | 2008-10-09 | - |
| Kaitai Sagyou | 2021-10-28 | - (1) |
| Kaisou Romance | 2023-05-15 | - |
| Kaishoku Rinne | 2012-10-26 | 5.80 (60) |
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| Kaikon no Yakata | 2004-01-08 | - |
| Kaiko, Kinu | 2022-07-22 | - |
| Kaikitan -Haikousha no Mienai Kage- Futari no Seifuku Bishoujo ni Semaru Nikuyoku no Onryou | 2020-07-26 | - |
| Kaikidan Saishuuya | 2006-08-13 | - |
| Kaiki! Drill Otoko no Kyoufu | 1999-09-24 | 5.60 (115) |