A husband goes to a hot spring inn with his wife and her mother's friend, and ends up accidentally getting together with her mother's friend. - However, when she found out that her mom friend didn't notice her husband, she secretly fucked him naked. - However, when her husband finds out and apologizes, she wonders if she was happy to be seen as a woman or wants to see him fuck her. - Eventually, the mom friend couldn't hold back her excitement and reached out for his dick...