A story about a mother-in-law. Shirai Yuri, a mother living alone. Two years ago, she married her husband, but he died in an accident shortly after. However, her husband’s step-son Yasuhiro provided her with emotional support, and she began to see him as a man. But when her son married a woman he had been dating, she was forced to live apart and felt lonely for days. She felt as if she had lost the man she loved. However, with her son’s consideration, the mother and son decided to live together. As expected, her son’s wife, Hoshino Akari, also moved in with them, and her love for her son suddenly went out of control…
