The innocent student council president "Hina" who has no interest in anything erotic and the slutty gal "Natsu" who can only think about sex are swapped! The student council president happily accepts the sperm of the boys who are excited by the panty shots that she normally can't see, and the gal is forced to get bukkake and has a dick that she doesn't like screwed into her! What will happen to the bodies of the two girls?!