Mari Makinami Illustrious is a 36-year-old girl, with the appearance of a teenager. Mari has brunette hair tied into twin-tails with bangs parted to the sides. Her eyes are teal, and she wears burgundy rimmed glasses. Mari has fair skin and is 5'4".

The AAA Wunder is a giant, winged, flying ship that serves as main base of operations to Captain Misato Katsuragi and her crew.

Mari has a rather energetic and enigmatic personality, and is generally in a positive mood. She enjoys piloting.