Koi-Ken Music Box LACA-15241 released 2012.10.24 2000 yen

This CD contains the opening, ending, and insert songs for the anime Koi-Ken. There are also many tracks of BGM.

The vocal tracks are as follows.

1. Automatic Sensation [Shintani Ryouko]
21. Domisofasola bu [Nazuka Kaori]
22. Starting [Nazuka Kaori, Toyosaki Aki, Tange Sakura]
23. Have A Nice Day [Tomatsu Haruka, Shintani Ryouko, Inoue Kikuko, Kugimiya Rie]
24. Gradation Heart [Love Ste]