Ryohei started living with his wife and her parents. However, because he is too sick to work, he is treated coldly by his daughter-in-law and his father-in-law. At that time, only Erika, her mother-in-law, treated me kindly. She is the existence of a kind and huge mother-in-law. At first, Ryohei was genuinely grateful for her ray of light, but as he got closer to her mother-in-law, her reason gradually collapsed...
