Tachibana is renowned as the PTA president with absolute power in a certain academy. However, on the other hand, he is strict with the academy's teachers, and his unreasonable behavior towards Mr. Tanaka is particularly egregious. Tanaka, who has an inflated sense of self-worth despite being a bottom-feeder, acquires a mind-control smartphone from somewhere. However, he is skeptical. The next day, Tachibana boldly approaches him, apparently to pick a fight over his son's smartphone. A familiar smartphone. Tanaka seizes this opportunity and successfully uses the mind-control technique on Tachibana in the staff room. Things start going his way, and he begins to enjoy it... Tanaka's desire for control and thirst for revenge only intensify...
