Maiko, a female college student attending a university in Tokyo, dreams of marrying her senior at university, Shigeru, and becoming the wife of a diplomat, but she is kidnapped and imprisoned by sex slave training maniacs, and ends up living a hellish life. One of the maniacs, a lesbian named Yoriko, lies to Maiko, saying, "I'm a sex slave who's been imprisoned and trained just like you," and plays with her even more...