清野咲良（永濑丽子 饰）和英俊帅气的男友交往多时，直到某日才发现原来对方是个彻头彻尾的渣男，他们之间的感情不过是一场赌注而已。痛定思痛之后，咲良在生物老师（成膳任 饰）和同级生朝日悠（水泽林太郎 饰）的带领之下开始探索青春期少年少女隐秘的内心情感世界，关于“性”这件事，他们都是怎么想的呢？
原紬（田锅梨梨花 饰）和皆川祐奈（秋田汐梨 饰）是咲良的好友，她们一个是对男生敬而远之的无性恋者，另一个是喜欢在社交软件上猎艳的交际花。三个个性迥异的女孩在放学之后相聚于咖啡厅内，开始了对性和爱的探讨。

When easy-going Aoyagi meets an old friend for a fishing trip, he ends up drugged, framed for the Prime Minister's assassination, and on the run from corrupt cops. It's only the beginning of what quickly becomes the worst, weirdest day of his life. But he'll get by with a little help from his friends, who include a famous pop diva, a rockabilly deliveryman, a crippled old gangster, and the world's most cheerful serial killer.