She is Roh Jeong Eui (노정의) - Our Beloved Summer ( 그 해 우리는 ) as NJ - 18 Again ( 18 어게인 ) as Hong Sia - Kill It ( 킬잇 ) as Kang Seul Gi - The Great Show ( 위대한 쇼 ) : Han Da Jung - Dear M ( 디어엠 ) : Seo Jimin - The Day I Died Unclosed Case ( 내가 죽던 날 ) : Jung Sejin

It feels like he's Cha Do-hyun, it seems like he's Shin Se-gi, but he's not Yo-na..he's the actor Ji Sung. Because they're all the images of the actor himself. Kill Me, Heal Me (KMHM) taught Ji Sung (JS) how to love and cherish himself more. He was someone who didn't know how to love himself;…