Aya believed that Yumiko was her best friend, but when Aya develops a crush on the boy Yumiko loves, Yumiko decides to exact some revenge. Compromising photos of Aya turn the innocent girl into a helpless sex slave, but Yumiko's desire for revenge doesn't end there. Aya's friends and even family have to suffer as well! Yumiko and her male friends blackmail the girls into every form of depraved and humiliating situation imaginable. With friends like these, Aya will never need enemies!
Akehime Saki is a beautiful girl with an English mother. She has a secret: she is going out with her teacher, Tsuge Akito, and the immorality of their secret excites her. However, there is a person prying into their affair.
One day, Saki receives a phone call: "do not meet the man again, or else..."
Although the phone call raises suspicion in her, she goes out with Akito once more, not knowing there is a shameful trap waiting for her...