A new female teacher, Ning, has arrived at a certain academy. During her student days, she was a tennis player who even became the queen of the national university championships. As she hoped, she became the advisor of the tennis club, but in her way stood Mutou, a student with more power than the teachers. One day, she is forcibly violated by Mutou. From that day on, the tennis club is controlled by Mutou, and the female teacher, Ning, becomes the flesh slave of the inhumane students, starting her days of humiliation.
