Waratu is a teenager who helps Tomoka, his busty classmate, to study for an exam. She promises to let him touch them if he gets a good grade. Then we see Tomoka at her sister Waratu's neighbor's house. After a boiling bath, she goes to Waratu to have him explain further. After he admits that he likes her tits, she shows them to him and asks him to suck them. With his dick already hard,
they have wild sex. The next day they meet in class and fuck in an elevator and then at her place.