Honoka-sensei has returned to her alma mater as a new teacher. In order to repay her debt, she works hard to improve her students' academic performance. The top student is Naito, who is good-looking, good at sports, and comes from a wealthy family. No one in the school, including the teachers, can defy Naito, the school's most powerful man. Meanwhile, Honoka-sensei is giving one-on-one support to Nomura, who is second in class. Thanks to their efforts, Nomura takes the top spot in his grade for the first time. While the two are celebrating, Naito is furious and humiliated. Holding a grudge against Honoka-sensei for helping Nomura, Naito devises a brutal rape plan. And then he carries it out... This incident triggers him to be blackmailed and framed, and his hellish school life begins...