Jugyeong Lim is the main protagonist of the story True Beauty by Yaongyi. She is a 21-year-old social media user in the prologue. However, the story takes place when she is a 19-year-old student at Saebom High School. Through YouTube, she masters the art of makeup, changing her look completely.

Jugyeong is very self-conscious about her looks and was bullied at her previous school. She is very worried about other people finding out how she looks without her makeup and is usually seen with it on, the only exception is at home and going to the comic shop. She rose to popularity at her current school by being known as the pretty girl, so she suppressed her actual interests to fit in with her newfound friends. She likes to listen to rock music and comes off as a "geeky" kind of girl without her makeup.

She also enjoys reading comics and is seen reading comics and magazines along with going to the comic shop where she frequently runs into Suho.