``Umm...Would you like to have sex?'' The main character, Tomohiro Takabe, happens to have his first sexual experience with Mina Hayase, a classmate who was only friendly enough to have a casual relationship with each other, in the nurse's room after school.Mina's surprising appearance. Although he is shaken by this, he falls in love with the body of a woman he has never met before, and slowly continues their relationship.