Han Hye-jin

Han Hye-jin is a South Korean fashion model and TV personality. She has been on the covers of many fashion magazines, including the May 2008 and June 2009 Korean editions of Vogue. She walked in the NYFW for 3 years.

WIKIPEDIA

MY LITTLE OLD BOY · S1, E374

My Little Old Boy

Si Won, Hee Chul, Joon Ho, and Won Hee attend a special yoga class together.
LET'S EAT DINNER TOGETHER · S1, E126

Episode 126

The top model Han Hye-jin and Hwang Min-hyun from the popular boy group NU'EST join Kang Ho-dong and Lee Kyung-kyu for their journey to dinner of the day. They visit Hapjeong-dong, a town full of intimate cafes and restaurants.