Rowoon and Won Jin Ah starred together in the South Korean drama "She Would Never Know," where they played the romantic leads. Rowoon's character, Chae Hyun-seung, is an intern who develops a crush on his senior colleague, Yoon Song-ah, played by Won Jin Ah. Their characters' relationship is a central storyline in the drama, involving a secret dating relationship, a second chance, and a passionate kiss. | Korean Celebrities