Ost Nagi no Asukara

Synopsis:
Long ago, all humans lived in the ocean. But some who longed for the land abandoned the ocean, casting off the special raiments granted to them by the sea god to adapt them to life under the sea...

Opening:
"lull ~Soshite Bokura wa~" by Ray (eps 1-13)
"ebb and flow" by Ray (eps 14-24)

Ending:
"Aqua Terrarium" by Nagi Yanagi (eps 1-13)
"Mitsuba no Musubime" by Nagi Yanagi (eps 14-25)
"lull〜Earth color of a calm〜" by Ray (ep 26)

Insert:
"Mnemonic" by Nagi Yanagi