Description:

The anime centers on sea otter brothers Anira and Kokora, who live at a certain aquarium. Anira is the older brother who is cool, but also has a naive side. The younger brother Kokora is a passionate otter who adores his older brother. (Source: Anime News Network)

Alternative Titles:

アニラとココラ, Anira to Cocola, Anira to Kokora