Tachibana is famous as the absolutely powerful PTA president of a certain school. However, on the other hand, she was strict with the teachers at the school, and her unreasonableness towards Tanaka-sensei in particular was flagrant. Among the bottom scum, Tanaka, who has a stronger self-respect than that, gets his hands on a smartphone at some point. However, I was also skeptical. The next day, she came to Tachibana in broad daylight to make a connection. She apparently came to criticize her son about his smartphone. A familiar smartphone. Tanaka takes advantage of this opportunity and successfully assaults Tachibana in her staff room. She gradually gets the way she wants and gradually tastes it... While Tanaka's desire for control and desire for revenge increases...