Charismatic student council president Hinata Asumi (2nd year high school student) ends up living with her unexpected homeroom teacher, the gentle, gentlemanly, and student-loving prince Shinonome-sensei! Furthermore, she learns that Shinonome has a hidden, shocking past and wears a mask at school to hide it...? A dangerous and exciting cohabitation love story between a former head teacher and a pure student council president!!