She has orange, shoulder length hair styled into a side-ponytail on the left side of her head. Her headgear consists of a black, router-like device with antennas, a white ribbon, and a microchip hair clip. Her headset is black with power switches, various computer ports, and a headlamp. She has orange eyes with a camera lens in the pupil of each eye. Her outfit consists of a black turtleneck, baggy white jacket with "00 ADACHI REI" on the left side with black pockets, loose AUX/USB wires in red and black, plaid-patterned grey pleated culottes (often depicted as simple grey shorts), orange belt, black leggings, and a pair of orange and white sneakers. According to missile39, her clothes are based on a firefighter's uniform: the orange stripes resemble reflective safety stripes on a turnout coat, to make arm and leg movement easily visible, She Turns out to Have Multiple Clones, And None are The Real one, Or.. Are they? The Clones all think Adachi Rei is Superior, And They will One Day Take over the World Whole.

She has vibrant reddish-pink hair tied into distinctive, spiraling "twindrills," complete with a curled ahoge (cowlick) sticking up from the top of her head. She also has matching bright, blood-red/amaranth eyes, She Has Taken The Clothing of a Rejected Adachi Rei, Acting the Part as One, And Trying to Fit in With the Group, Her Twindrills have been Cut off and Only her left Twindrill Was Remaining, Just to Fit in with the Adachi Rei's, She also Is Friends with you, And is Trying to Find the Real Adachi Rei before it is Too Late.