小さな錦鯉 〜家族に福を届けます〜

Ava Mitchell and Liam Carter have been together since when they were in high school. Although they failed to have children, they have kept their marriage going for thirty whole years. However, when Ava turns fifty, Liam brings his pregnant mistress home and demands to have Ava take care of her and the baby so that he can finally have a child.