Saya Tachibana is a teacher who is extremely dedicated to her students. She always tries her best to help her students. Today, Murata was teased by his friends during class, they teased him for always touching his dick. Suzu researched and learned that this was a sign of a lack of parental love. After talking with Murata, Saya Tachibana learned that he was living alone with his mother, his mother often came home late from work, and Murata always had to eat food he bought at the convenience store. Feeling The student was extremely pitiful, Suzu immediately invited him home for dinner. But that's still not enough! Murata wanted to have sex with Saya Tachibana, Seeing the pitiful student, Suzu agreed. They both checked into the hotel, and their wrong relationship started from here...