Alicia is a Prima Undine and she is the only other undine at Aria Company other than Akari. Her perpetually cheerful manner, pleasant personality, and graceful rowing skills combine to make her the...
Akira is a brash Prima undine for Hime Company and Aika's mentor. She is particularly strict and somewat harsh with her protege, but this is only to improve Aika's skills as an undine.
Aria is the Aqua cat mascot and president of Aria Company. He is always cheerful and loves food, which is why he is considerably more plump than most other Aqua cats.
Akari has always dreamed of moving to Aqua in order to become an Undine, and currently serves as an apprentice to Alicia at Aria Company in Neo-Venezia. Positive and friendly, she often quickly...
Aika is the somewhat bossy and blunt daughter of Himeya Company's owners and is an apprentice undine. She greatly admires Aria Company's prima undine, Alicia.