After losing his wife, Toru, the father-in-law, had been aimlessly drifting through life with no motivation. His daughter-in-law, Yuriko, would come to take care of him out of concern. Her husband Keigo had been cold lately, and Yuriko found solace in visiting her father-in-law. However, seeing his unwavering devotion to his late wife and his kindness, Yuriko found herself falling in love with him. One day, when her husband was on a business trip and she was alone with her father-in-law, Yuriko acted on her passionate feelings with bold and lewd actions…
