The things they buy are antiques, precious metals... and your "grudges"! The eccentric buyer, Onkaiya, has a secret side to him - he helps people with unbearable grudges and grief to clear their minds! This is a morality versus evil story starring the owner Jin, who wears a hanten jacket with the character "grudge" (grudge) on the back, and his daughter Nao!

Maria has found love with her first love, Mizutani-kun, and has even managed to get married. As soon as she became a full-time housewife, Mizutani was laid off. Mizutani, who said, ``I don't want to be an office worker anymore,'' started training to become a carpenter. Maria, who was worried about her life as her income was low, suggested that she move in with him at her parents' house. Mizutani readily agreed to this. And so began her life with three generations of her family living together...