lee donghyuck (haechan) - singing/voice in NCT songs
10:37
lee donghyuck (haechan) - singing/voice in NCT songs part 2
12:04
When haechan sings 🎵 casually #3
14:25
mark being obsessed with haechan for 14 minutes
8:15
Ballet Dancer Analyzes: NCT HAECHAN - Why Efficiency is ELEGANT | Anatomy of a Dancer EP. 1
29:49
MARK 마크 '프락치 (Fraktsiya) (Feat. 이영지)' Recording Behind the Scenes
8:09
Haechan and Yangyang being the same person
27:28
haechan and his amazingly unique vocals | compilation video
5:54