A Lull in the Sea

Long ago, all humans lived beneath the sea. However, some people preferred the surface and abandoned living underwater permanently. As a consequence, they were stripped of their god-given protection called "Ena" which allowed them to breathe underwater. Over time, the rift between the denizens of the sea and of the surface widened, although contact between the two peoples still existed. Nagi no Asu kara follows the story of Hikari Sakishima and Manaka Mukaido, along with their childhood friends...