Yui and her husband visit his father-in-law to announce their marriage. After some conversation, the father-in-law notices that he recognizes her from somewhere. He realizes she was once one of his favorite M-girls at an SM club he used to frequent. When the son leaves the room, the father-in-law tells her about this connection. Despite her claim of having quit the industry and leaving the club behind, he questions if she can truly find satisfaction in a normal life when she's such a genuine masochist at heart.

義父に結婚の挨拶にやってきたゆい夫婦。しばらくの歓談後、ふと義父は彼女の姿に見覚えがあることに気付く。それは昔に義父が通っていたSMクラブのお気に入りのM嬢だった。息子が席を外した際、そのことを彼女に伝える義父。「もうお店も辞めて業界からも足を洗ったんです」というゆいに、義父は「だがお前の本質は変わらない。真性のマゾであるお前が普通の生活で満足できるのか？」と言い…