A long time ago, human civilization lived on the ocean floor. However, attracted by the benefits of the surface, many decided to settle there, triggering the wrath of the god of the sea. After the closure of their school, the students of the village in the ocean, Shioshishio (汐 鹿 生) are forced to go to that of the surface. History follows their struggle to try to integrate into their new environment and sometimes complex relationships between the people of the ocean and the surface.

Genre Drama, Fantasy, Romance
Directed by Toshiya Shinohara
Written by Mari Okada
Music by DEPAPEPE
Saigenji
Shunsuke Kawata
Yoshiaki Dewa
Zentaro Watanabe
Studio P.A.Works
Original run October 3, 2013 – April 3, 2014
Episodes 26 (List of episodes)