miki has been married for 20 years and runs a small company with her husband. she hasn't had sex with him in years and is losing confidence as a woman. one day, she goes out to eat with shinji, her son's best friend, who has been concerned about her. after drinking and getting tipsy, the two hold hands and go to a hotel. shinji pushes miki onto the bed. "are you sure you're okay with this old lady?" miki blushes, but her neglected body catches fire and her forgotten desires run wild.