how
Idk.Its just an assumption from my part.
Literally just fade have you never cut ur hair
Calm down genius.I was just trying to come up with some theories because it stood out to me.you can ignore it if you don't agree with it.
I personally think he was looking at his neck, seeing that he could easily kill him right now because the person he looked up to his in the end a normal human that he could just kill.
http://www.mangago.zone/read-manga/black_mirror/uu/iur_chapter-50/pg-22/
I think the hair like thingy at the back of their neck has some kind of significance to the plot.yeon woo has it too.