She is a "Class A" spy (who carries suitable business cards) employed by the government to retrieve information on Lagu by infiltrating Hagen's army dressed as a black Delmo. She runs into Rion and ends up following her.   After having been abandoned by her employers and her subsequent rescue by Aika and her friends, she went freelance. She reappears in episode 7, where she joins Rion and company in their assault on the Delmo base.   (Source: Wikipedia) 

A catastrophic earthquake has left Tokyo, and most of the Earth for that matter, under the sea. Aika is a salvager who retrieves various remains from the watery ruins. When Aika accepts the dangerous mission of locating and obtaining the mysterious Lagu, she discovers that she's not the only one after it. 

Married to voice actor [Shuuichi Ikeda](https://anilist.co/staff/95598/Shuuichi-Ikeda)

[Twitter](https://twitter.com/RachaelLillis) | [YouTube](https://www.youtube.com/channel/UCzqHqwvBf-IYXWDX-y6QFsg/)

A bonus ep about Aika and company moving to a new office. 

Maypia Alexymetalia