Responses
I never thought of that , cause the first thing that crossed my mind was that it could be play-doh hair guy , the one with the glasses, but now that you mentioned, is really interesting (▰˘◡˘▰)
0of- I can't wait any longer.! (≧∀≦)
Oooh I just saw that that mystery man on the last chapter could be the same guy on the flashback on chapter 21. So it's possible that that was Woo-in's ex. Ooooooh I smell dramaaaa.