Amachan S00 E04 Omnibus ・ Prequel "Ora, I like this sea!"

Aki Amano, a high-school girl from Tokyo moves to the Sanriku Coast in the Tohoku region to become a female diver. She becomes a local idol, then returns to Tokyo to try to become a real idol, and finally returns to Tohoku to help revitalize the area after the Great East Japan earthquake.