"It's like a drama... is it okay if I do it? As Yuta-kun's girlfriend..." My wife and I were asked by my best friend Yuta to help his mother give up on marriage. I was going to politely refuse, but it seemed that An was surprisingly willing, so I reluctantly allowed it. And a few days later, seeing An's figure returning home satisfied after successfully playing the girlfriend, and the photos of the two of us taken as evidence, I felt somehow complicated. Even after that, every time Yuta's mother came to visit, I lent An to him, but on the day after their third date, An's behavior was strange...