| Country | Title | Year | Avg. (nb) | ||
1
2
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| Japan | Kerberos Panzer Cop | 犬狼伝説 | 1988 | ||
| Ki-Ichi | キーチ! | 2002 | 4 (3 Reviews) | ||
| Kikaider 02 | Kikaider 02 | 2000 | |||
| Kimi Wa Pet | きみはペット | 2000 | |||
| Kinderbook | イエローバックス―高浜寛短編集 | 2002 | |||
| King of Bandit Jing | King of Bandit Jing | 2001 | 3.25 (1 Reviews) | ||
| Kinrandonsu Datai Sakuhin Shū | キンランドンス 堕胎作品集 | 1985 | |||
| Kirara | Kirara | 1993 | 2.62 (2 Reviews) | ||
| Kizuna | Kizuna | 1992 | |||
| Koi Kaze | 恋風 | 2002 | |||
| Koi koi 7 | こいこい７ | 2003 | |||
| Kurofune | 黒船 | 2001 | |||
| Kurogane | Kuro Gane | 1995 | 4.5 (2 Reviews) | ||
| Kurozakuro | クロザクロ | 2004 | |||
| The Legend of Kamui | Kamui Den | 1964 | 4.25 (1 Reviews) | ||
| Rurouni Kenshin | るろうに剣心 | 1994 | 4.08 (16 Reviews) | ||
| Rurouni Kenshin Hidden & Rurouni Kenshin Kaden | Kenshin Hidden & Kenshin Kaden | 1998 | |||
| Korea | Ka Kong | 까꿍 | 1996 | ||
| Kill me Kiss me | K2 | 2000 | |||
| Knight Gunner | Knight Gunner Crusade | 2002 | |||
