Mio Kimijima is the school's Madonna teacher, loved by everyone. However, after protecting a janitor who was being harassed by a fellow teacher, she falls into a trap and becomes the sexual plaything of the other teachers and students in her class. Eventually, she is surrounded by men and gang-raped with continuous creampies! She is betrayed by the janitor she was protecting, humiliated in front of the students, and raped with creampies...