Kenichi Shibuya is a 50-year-old salaryman who divorced a few years back. Since the divorce, his relationship with his daughter has become awkward. One day, Kenichi Shibuya and his boss Yumi Ayase are struck by lightning and die. They go to the afterlife. There in the afterlife they hear of a legendary soup. If someone drinks the legendary soup, that person is reborn, but the reborn person has no memories of their prior life. Kenichi Shibuya then searches for the secrets in the legendary soup, hoping to be reborn, but not forget his daughter.

After World War II, a small aristocratic family in Japan has lost all of their money.