Series He meets a beautiful mature woman friend at a sex club, and after learning each other's true identities, they begin an affair behind closed

A beautiful, mature woman meets a friend at a health club and has an affair with her.

After learning each other's true identities, she meets a beautiful mature woman friend at a box health club and they end up having an affair. Nanase Alice

I met a beautiful mature woman friend who knows each other's background at a box health club and we had an affair. Kana Morisawa