She Would Never Know

She Would Never Know is a South Korean romantic drama based on the 2017 web novel Senior, Don't Put on That Lipstick by Elise. The series depicts the junior-senior relationship of Yoon Song-ah and Chae Hyun-seung, as they work in the marketing team of a cosmetics brand. Written by Chae Yoon and directed by Lee Dong-yoon and Ra Ha-na, the show features performances from Won Jin-ah, Rowoon, Lee Hyun-wook, Lee Joo-bin and Lee Kyu-han.