Riko was living a fulfilling life with her fiancé. Shortly after she started dating her ex-boyfriend, a doctor, it became clear that he was no good, and she broke up with him as if to run away. However, one day, her ex-boyfriend discovers their home and breaks into her home. Riko was soaked in her aphrodisiac, and even when her boyfriend returned home, she could not maintain her rationality and continued to have sex with him endlessly.
