Happiness OVA
- Action anime
- Adventure anime
- Cars anime
- Chinese anime
- Comedy anime
- Dementia anime
- Demons anime
- Drama anime
- Ecchi anime
- Fantasy anime
- Game anime
- Harem anime
- Historical anime
- Horror anime
- Josei anime
- Kids anime
- Magic anime
- Martial Arts anime
- Mecha anime
- Military anime
- Music anime
- Mystery anime
- Parody anime
- Police anime
- Psychological anime
- Romance anime
- Samurai anime
- School anime
- Sci-Fi anime
- Seinen anime
- Shoujo anime
- Shoujo Ai anime
- Shounen anime
- Shounen Ai anime
- Slice of Life anime
- Space anime
- Sports anime
- Super Power anime
- Supernatural anime
- Thriller anime
- Vampire anime
- Yuri anime
