Appears to be a slender young human woman with elf-like ears, but is actually 1-year-old due to her body's fast aging .5'4 . long, flowing purple hair & red eyes. .Created from a fusion of human & biomonster cells by the now-defunct Biosystems Lab, making her a hybrid. .Specialized weapon are wrist-mounted talons.

.Wears a purple sleeveless, backless leotard with purple arm-sleeves, a purple choker & purple thigh-high boots.

.Nei has abandonment issues & hates being alone.