Aqua has blonde hair, he is relatively tall, and has Aquamarine blue eyes, which his mother named him after. Aqua is described as "handsome" and features a star in his right eye. Aqua is described as someone with emotional distance; cold, calculated, cunning, and discreet, Willing to do whatever means necessary to see his goals of finding his father through. His psychological trauma from Ai's murder tends to resurface anytime he seems to forget his goals.