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.

Hikari receives news that his father passed away. Hikari decides to take over his father's ramen shop. To do so, Hikari quits his job at a design company and goes back to his home town of Kurume, Fukuoka Prefecture. Now, taking over his father's shop Hikari has problems recreating his father's recipe. Hikari thinks back to when he was a child and how his father believed Hikari never used his imagination. Hikari relies on his memory in attempt to recreate his father's recipe.