
with bum's sort of back story and even ch 1 outright telling us bum has borderline personality disorder, he was never really okay. i mean it’s pretty obvious that sangwoo is making it so bum literally has nowhere to go. no apartment, no friends or family, breaking his legs, not to mention mentally playing with him so that he’s terrified of even going back outside, so that he's the only person bum has left - and doing a pretty good job at that - i'd say bum is pretty gone. not completely without saving, but he'll never be the person he was before sangwoo, might not even be a person without him.

i'm with you sis. it's how i foresaw the ending when it first came out. justice for all. #teamsavebum. but with every new chapter we can see this this isn't your typical serial killer trope. bum and sangwoo are a unique story that will most likely get a unique ending, for which i am happy, and also, as you are, disappointed.
at this point I don't like Bum or Sangwoo. They're both messed tf up