Aqua is a relatively tall boy who is described as "handsome" with blonde hair that has long bangs hanging on the left side of his face and aquamarine blue eyes that features a star pupil in his right eye, symbolizing that he and his sister are halves of their mother. Aqua wears a red tie, blue school uniform shirt and grey pants, as well as brown shoes. His mother is Ai Hoshino and his sister is Ruby Hoshino, one of his life goals is to find the lunatic stalker that killed his mother.
