Kocho-sensei to Kujira

Kouchou-sensei to Kujira | Kocho-sensei to Kujira | Kōchō-sensei to Kujira

A seaside school. In the corridor stands the principal, beloved of the high-spirited youngsters. Gazing at a picture of a whale drawn as a child, the head teacher is swept away with sentiment into a flashback from the past. Just then, on the ocean horizon... (Source: Official site)