i think they are tattoos, just like on the urms to cover up other old tattoos i think
I've been wondering about the same thing since the beginning. It's fascinating even that no one in the manwha became curious about the whole black thing in both of his arms came from
actually, ppl have been curious about it since the very beginning. it’s just thought to be a “black out tattoo” which is an actual thing ppl do in real life to cover up other old tattoos or for symbolism of some sort :)
I'm so curious, are the stitches around his neck and ankles real or tattoos? No one has wondered about them