

Yuuji encounters Kaede, a girl who is returning from living abroad and transferring into the school. Kaede is cute but a violent girl. She creates a love researcher group 'Koi-ken!' and forces Yuuji to become a member because the club has no enough amount of members. Yuuji's life turns colorful with the presence of senior Sakura and Nagisa, an idol.
Koi-Ken! has 5 chapters.
Koi-Ken! has 1 volumes.
Koi-Ken! is currently finished.
Koi-Ken! was written by Maito Yoshihara.
Koi-Ken! was published 2011.
Ranked higher than 6% of all manga on AniTome (out of 30,039)