A hidden masochistic fetish. Ayako (Sana Mizuhara), a self-proclaimed "capable woman" and arrogant career woman, relieves stress by secretly visiting a massage parlor and receiving sexual services during her busy daily work. However, her embarrassing truth is discovered by a former rival whom she caused to fall from grace at work, and she is blackmailed... A decadent, full-length erotic drama depicting an ambitious woman descending into sexual slavery.