Natsuko, a mother who co-owns the restaurant left after her husband's death with a man named Shigemoto. Tomohiro, his only son, didn't really think about the relationship between Shigemoto and his mother. "He's going to own everything one day!" In order to keep the restaurant that my father left behind, I needed a child to succeed. However, Tomohiro's wife is ill and cannot give birth to a child ... Tomohiro is forced into a predicament and forcibly commits his beloved mother ...