Mesu Kyoushi: Injoku no Kyoushitsu

Synopsis

Adapted from the erotic game by Bishop. Takuya's parents divorced during his childhood, and his mother quickly remarried a man named Sanada. Sanada's son, Eiji, was a genius who constantly looked down on Takuya. Unable to endure the situation any longer, Takuya left his home and enrolled in a high school under his mother's family name. One day, a new teacher arrives at his school: it is his older brother, Eiji. By chance, Takuya witnesses Eiji meeting secretly with Miyuki, a popular female teacher, in an empty classroom. Determined to take revenge on Eiji, Takuya plots to sleep with Miyuki in collaboration with Rihoko, the school doctor.