Hanamura Aiko is a skilled lawyer who specializes in divorce cases. She is a warm-hearted person who sympathizes with clients who are suffering from marital problems, but she grew up seeing her parents' discord, and has lost faith in romance and love. She dotes on her recently adopted dog, Sakura, and is enjoying her single life.

Set 10 years after the film, illustrating a world where the passions are passed on to a new generation and continue to burn brightly.

High school students of the Reiwa era, having inherited the baton, lay their entire youth on the line as they take on the challenge of competitive karuta.