I saw a theory about why Sangwoo was angry at Bum at chap 20, *SPOILERS* it said that maybe Sangwoo's way of confessing to Bum is by making Bum kill and when Bum said he did feel anything, Sangwoo got mad because he thought that Bum didn't feel anything of Sangwoo's love for him that's why Sangwoo got angry at him for he did a lot of things just to prepare for Bum to kill.
Happy birthday #TAURUSSQUAD
Pwede nang panggawa ng bagong Disney movie ε=ε=(ノ≧∇≦)ノ