The story follows a little shark character, Kozame-chan's adventures in Yauo town, which smells "nostalgic." From radio exercises to festival stalls to meeting with friends, Kozame-chan has a variety of heartwarming experiences in the town. 
(Source: Crunchyroll News)

The adventures of a baby shark in nostalgia-filled Yauo Town.
 
Whether it's cider on a summer day, freeze pops, radio calisthenics, festival stalls, or hanging out with friends, the world sparkles when reflected in the eyes of the baby shark.

Kozame-chan's everyday life is full of fun and excitement! This time, the next destination is the big city. What awaits Kozame-chan is an unfamiliar place, and new friends. A big adventure filed with tiny miracles is about to begin.
 
(Source: Youtube)
 
Note: The film received an early premiere at the Tokyo International Shark Film Festival on August 3, 2025.

Kousaku-kun