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オトナ高校
受“少子化”影响，凡30岁以上没有恋爱经验的男女，均有义务回高中重新学习。东大毕业、没有恋爱经验的银行精英职员荒川英人（三浦春马饰）因为恋爱偏差值为零仍是处男。某天他突然被国家要求到成人高中就读，而毕业的条件是结束处男之身。在“成人高中”，荒川英人被迫放下过高的自尊练习与人交流，学习恋爱能力
An elite banker named Eito is suddenly approached with an invitation to a school for virgin men and women over the age of thirty.
Despite several disadvantages, one of Eito's classmates manages to be the first to graduate. Consequently, Eito feels defeated and disillusioned.
Eito and Maki are stuck in the hell that is the Adult High School after the school staff sees through their deceitful plan to graduate.
False rumors about Eito crush the ray of hope that appeared after he swallowed his pride and told his childhood friend Haruka that he is a virgin.
The son of the Prime Minister responsible for establishing the Adult High School shows up as a new student and receives special treatment.
A picture of Eito and his 55-year-old boss wearing school uniforms leaks out via social media along with information regarding the Adult High School.
Eito confesses his feelings for Maki -- a first for him. But one thing after another prevents him from getting a response.
Eito and Maki begin to live together but they don't show any signs of 'going all the way.' Meanwhile, Sakura attempts to seduce Eito.
