This story features a college student, that everyone describes as 'cold,' being hired to look after a professor's cute 5-year old son, which leads to looking after the father, which leads to falling in love, but the professor's brother doesn't approve and is willing to do anything to split them up. Features the introduction of Chiharu and Kazuki.
In the Kemono series:
1. Happy Yarou Wedding
2. Utsukushiki Kemono-tachi (Beautiful Beast)
3. ...Virgin Love.
4. Toriko ni Natta... Kemono (Crazy for You)
5. ...Junai no Seinen (The Young Person's Pure Love)
6. Kemono wa Ai de, Iyasareru. (Smooth over his hurt feeling)
7. Playboy Amour.
- Romance no Kaori
8. Oboreru Kemono no Koibito.
9. Men's Love
11. Ueta Aikata
12. Amaeta Kemono no Shitsukekata
13. Torawareta Amai Kemono-tachi
14. Aikata no Aishikata
15. Kemono no Marking