One day, bachelor Yuutarou meets a housewife named Ai at a local izakaya. They end up sitting together and drinking, which leads to them becoming close friends. As their relationship deepens, they start having physical relations. Yuutarou gives her his home key, and she begins visiting him during shopping trips while her husband is away. To fill the void left by marital issues, they spend intimate moments together in his room... *The content may vary depending on the distribution method.