Well, if you didn't, it's alright because many netizens also just found out about his cute childhood!
On the hit drama, Moonbin played actor Kim Bum's child counterpart, and currently, the clip of Moonbin's adorable childhood career is roaming the web. Netizens reacted with comments, "Heol that was Moonbin?? I just noticed. Daebak", "He grew up so handsome ♡", "Holy sh*t, he made an appearance here. He's cute now and he was even cuter when he was younger. He was 11-years-old back then TT So cute", "Aww, he looks the same."
Check out baby Moonbin in the video! Isn't he adorable?