While driving with her husband, Miku Hasegawa caused an accident due to a driving error and was sentenced to three years in prison. Although her sentence was relatively short, her husband fell into a coma as a result of the crash, leaving her desperate to be released as soon as possible. Under these circumstances, she received an offer for special work that could shorten her sentence—and without hesitation, she accepted. But what awaited her was a nightmare orchestrated by criminals. Day after day, she was subjected to intense anal torture, gradually awakening to pleasures she had never experienced before...