Suzu is a very devoted teacher to her students. She always tries her best to help her pupils. Today, Murata was teased by his classmates during class; they mocked him for always touching himself. Suzu found out that this is a sign of a lack of affection from his parents. After talking to Murata, Suzu learned that he lives alone with his mother, who often comes home late from work, and Murata always has to eat ready-made food from the convenience store. Feeling sorry for her student, Suzu invited him over for dinner. But that wasn’t enough! Murata wanted to make love to Suzu! Seeing her poor student, Suzu agreed. They both went to a hotel, and their inappropriate relationship started from there...