"Feel free to use my pussy as you like!" In an attempt to change her peaceful but boring daily life, she starts working part-time at a restaurant owned by an acquaintance. But everything changes when she meets Nakai, a younger man who is her senior at work... Sweet words fill the gaps in her lonely Kokoro, and the varying speed of his forcefulness, training that stimulates Airi's masochistic nature, and his sex that Haruka surpasses that of her husband. It's only natural that the frustrated young wife melts in body and Kokoro, becoming a masturbation hole wife who gives blowjobs and allows creampies...