Hijiri-kun Wants to Live a Pure Life summary:
Tsuchimikado Hijiri is a man playing the role of the perfect student council president, with his good looks and excellent grades in both school and sports. After school, he witnesses his usually quiet female classmate Sado Mitsuki, tormenting their teacher Tamura in a very sadistic way! The perfect student council president gets caught up in Sado-san's secret fetish!
This is an unusual romantic comedy for those of you who have things you can't tell others!