She is soo alike bum
First i thought that Sangwoo was so affectionate to his mother, and bum looks exactly like her! That's why he didn't kill him, i think
Second His mom killed his dad
Third I'm not gonna tell cuz it is probably a spoiler hahahha
Yet...
you just did though!! thanks
I've been waiting this for ages!!!!!
I love it so muchლ(´ڡ`ლ)