The master of a dorayaki pastry store hires a 76-year-old woman whose talents attract customers from all over. But she's hiding a troubling secret. Life's joys are found in the little details, and no matter what may be weighing you down, everyone loves a good pastry.

Twelve-year-old Koichi, who has been separated from his brother Ryunosuke due to his parents' divorce, hears a rumor that the new bullet trains will precipitate a wish-granting miracle when they pass each other at top speed.