Koi Ni Nare!
Complete | tsukimura kei,itsuki kaname | 2011 released
Komatsu Shin was shaken when he was found out to be gay, but his roommate Nakajima was unaffected and arranged a blind date for him. However, the guy who showed up was actually the dorm supervisor, Shindo-sensei! Cute, wholesome, and romantic
Kenban no Ue no Caress