``Umm...Would you like to have sex?'' The main character, Tomohiro Takabe, happens to have his first sexual experience with Mina Hayase, a classmate with whom he only had a casual relationship, in the school nurse's room after school.Mina's unexpected appearance. Although he is upset about this, he falls in love with the body of the woman he has met for the first time, and slowly continues their relationship.