"I want your wife to pretend to be her lover..." The worst outcome of me, when my best friend begged me to lend her beloved wife...

"I want to go undercover...it's okay? It's okay to play Ryo's girlfriend." Our couple asks us to give up on their mother's mother, who is being forced to marry her. I was planning to refuse, but I'm grateful for your daily life, right? My wife agreed to the request with support and reluctance. A few days later, he had dinner at the hotel and thought he would come home soon, but Ryo's mother seemed to be tempted to prepare a hotel room. And then, after receiving a message that I was going home by the last train, my wife stopped replying...