Living harmoniously as a couple with Shiori, the widowed mother-in-law, things were going smoothly. One weekend when Saiko, the daughter-in-law, was out attending a friend's wedding, Tomifumi, emboldened by alcohol, confessed to Shiori that she reminded him of his first love, a feeling he'd harbored since their first meeting. Despite his somewhat forceful advances, Shiori, who had been carrying the weight of loneliness in her heart and body ever since her husband's passing, found herself unable to resist and gave in... .