AllMovie

The death of a popular teacher sets into motion a series of horrific events that may forever scar the souls of her beloved students in this grim hentai mystery that shows even the best students can harbor a sadistic mean streak. When professor Yuko is pushed from the roof of a campus building, the grief of her favorite students soon turns to anger. Four of professor Yuko's best students have vowed to get to the bottom of their late teacher's mysterious death, and when they discover the names of seven girls that had been entered into her planner on the night of the murders, the enraged students' darkest impulses drive them to extreme methods of obtaining the truth.