Tsukinoe runs a coffee shop with her fiancé and lives a peaceful life, but when she's invited to a class reunion, she's reunited with her ex-boyfriend, who has been training her as a master and sex slave ever since. She thought she had a husband now and they were no longer in a relationship, but her body still remembers that sensation. Even though her classmate is right next to her, she's suddenly retrained in deep throating! She lies to him about an after-party and is made to understand her position at a hotel, where she is slapped and spanked for hard sex! She is mercilessly creampied, as if spat out! The memories of being a human urinal are completely revived. She can't have lukewarm sex anymore. She's not a wife or a woman, she's a bitch.