She has purple eyes and long two-tone hair, with the outer layers of her hair being purple and the inner ones being blue or aqua and is tied into a pair of twin french braids that transition into a pair of drill-shaped twintails with a pair of blue ribbons. She wears a maid headdress with an anchor symbol on her head and has blunt bangs with blue streaks on them, sidelocks and an ahoge.
Her default outfit consists of a blue frilled short dress with puffy short sleeves and a breast frame that reveals her cleavage and that is decorated with white bows and an anchor print. She also wears a wrist cuffs frilled ankle cuffs a blue bowtie and blue mary janes with bows on them.
She also has a serafuku-themed outfit consisting of a white blouse or shirt with a frilled sailor collar, a light blue neckwear bowtie, a blue pleated high-waist suspender skirt, reaching under her bust, a white jacket with long sleeves reaching past her wrists, a blue choker, a white legwear pantyhose and black loafers, her hairstyle also changes into long twin braids a hairband, she also now has cat ears and a cat tail.
Aqua is somewhat of a klutz, which usually means her plans go belly up (in a very explosive way), in spite of this she has been shown to be quite good at a number of games. Aqua is usually paired with Murasaki Shion due to their Minecraft neighborly dispute, and her annoyed "neeeee!" is a trademark. Also pairs with Nakiri Ayame along with Shion in the once popular Majigumi Trio.
In Minecraft she is often associated with the TNT block due to her tenacity of using them regularly (or often blowing herself up with it)
Her character designer is Gaou (Umaiyo Puyoman).
A marine maid-styled virtual maid. She is trying her very best, yet is still sometimes awkward and clumsy.