17 Kyoushi

Arioka Yukihiro is a 17-year-old high school student who has never experienced love until he falls for his teacher. Resolute in his desire to win the teacher over, he begins to pursue a relationship with him. Mishima Makoto, a 26-year-old teacher, has secretly cherished feelings for a close friend for a long time, yet he believed those feelings would never be reciprocated or acted upon. After initially turning down Arioka's advances, Mishima gradually begins to face his own unresolved emotions as Arioka persistently and openly continues to pursue him, regardless of the risk of rejection.