​Experience the dark desires and twisted desires of Ishizuka Kengo, a teacher at his own alma mater. Assigned to take care of the old school building, he sees it as a perfect opportunity to fulfill his deepest fantasies. First on his list is Morimiya Saki, a student at the school, followed by Saki’s friend Arisa, Saki’s mother Rie, and even another teacher, Mashima Mikako. As the sadistic teacher sets his sights on these four, what fate awaits them at his merciless hands? Prepare for a gripping tale of power and pleasure, where boundaries are relentlessly pushed and dark desires are shamelessly explored.​