Chae-kyoung is a study-abroad student from Korea that has come to Japan and Pretty Top to learn the art of Prism Shows. She is a member of the Korean Prism Show Unit, PURETTY. She is a refreshing girl who comes from a house with lots of money. She's good at finding diamonds in the rough, but has a problem with thinking she can solve everything with money. She's a former model, and pushes her way through. She uses the word "celebrity" as an adjective for things she thinks are cool, and also uses the Korean word "Kwenchana" to say "All OK". Her elder brother is Yun-su, the designer and owner of Dear Crown. Her best friend in Prizzmy☆ is Ayami. Her catchphrase is "celebrity" as an adjective.