Kaworu Nagisa is a 15-year-old female, she is hides the fact that she is the 17th Angel from anyone. Kaworu has long silver hair, unkept at the front. Kaworu has striking red eyes. She has pale skin and is 4'9".

Kaworu is philosophical, inquisitive, and eerily serene. Her habit of calling humans "Lilin," Kaworu gives off an odd, almost eerie vibe to most. While her true aims are a mystery to most, it's clear that she doesn't understand much about humanity