They take time off work and go to the hot springs after they meet his dad.
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. Kemono Wa Ai De, Iyasareru. Dj - Iyasaretai Otoko
8. Playboy Amour
9. Romance no Kaori
10. Oboreru Kemono no Koibito
11. Men's Love
12. Aikata
13. Ueta Aikata
14. Amaeta Kemono no Shitsukekata
15. Torawareta Amai Kemono-tachi
16. Aikata no Aishikata
17. Kemono no Marking
Kemono Wa Ai De, Iyasareru. Dj - Iyasaretai Otoko