Yui Mamiya, 53, exudes a quiet, calm, and refined aura. She's a beautiful lady who works as a private pianist at a piano bar run by a friend. "I met my husband there, and now it's also where I meet my affair partners (laughs)." Despite being married for 25 years, she's completely sexless with her husband. Because of her beauty, customers who come to listen to her performances often invite her out afterward, giving her a fulfilling time outside the home...