Chikako is a newlywed and worries about not having sex.She bought a front-hook bra to improve her night life, but her husband didn't care for her days.One day, Chikako loses the key to her house and ends up moving into Shinji's house, a virgin college student who lives next door to her.In a situation where a young man and woman are alone, Shinji takes a chance and attacks but fails because he can't remove his bra... Lack of experience! !She puts him in a front-hook bra and makes him practice how to treat women gently.