erumo, ayanami rei, horaki hikari, neon genesis evangelion, 1girl, :o, ayanami rei (cosplay), blue background, blush, bodysuit, bracer, breasts, brown eyes, brown hair, collarbone, contrapposto, cosplay, cowboy shot, embarrassed, female focus, freckles, gloves, gradient background, hair bobbles, hair ornament, hand on own hip, holding own arm, legs apart, looking down, low twintails, mecha pilot suit, nose blush, open mouth, plugsuit (evangelion), purple background, raised eyebrows, short hair, short twintails, skinny, small breasts, solo, standing, turtleneck, twintails