Youth suspense story where Ren Ozawa, who appeared on various popular stages and acted as a variety program and voice actor, serves as a high school teacher for the first time. An incident occurred on Valentine's Day when a student died due to poisoned chocolate. The teacher, Nishina (Ozawa), who is cold and ridiculed by students, tries to unravel the truth

　　本剧是以被称为明星级别的艺人级别的私立百濑学园为舞台展开的悬疑剧。在情人节获得最多巧克力的男生被称为“王”的学园里，今年被视为王牌的学生·筱田康太因含毒巧克力而死亡，以此为契机，隐藏的事实暴露出来继续下去。