I don't know if this is a style choice, but all characters when looking in 3/4 seems that the farthest eye is a little too crocked, like everyone has esotropia
Imagine if we reach the situation where MC gets to cut ML's head, or stab a knife in his heart and after some seconds of cheering from the rebelion, Guwon gets up and says "See? I told you dying wasn't a big deal". (⊙…⊙ )
My God I must've read the novel with my eyes closed, I don't remember them having another sibling alive!
Me neither! I don't think I would have forgotten about a third sibling. It must be a manwha-adaption-only thing.