He will play Jung Hae Sung an ace field agent for the National Intelligence Service in 'Undercover High School'. Cast also includes Jin Kijoo, Kim Minju, Kim Shinrok,
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original post: here
1. Is he playing... A high schooler?
> He's undercover
2. The mature version of Baek Inho
3. He still looks the same, but somehow he's more manly zzz
4. Ah I honestly love him so much
5. Wow he's gotten handsomer
6. He has such a baby face
7. Ah I love you
8. Is that Kim Minjoo in front??
9. Seo Kangjoon... He's honestly too handsome.....
