I was ReADING A MANHWA/MANGA AND I LOST IT!!!!! IT WAS ABOUT an omega that knocked out alphas teeth and he was sent to jail and an alpha the was a prison officer
you mean this lol
http://www.mangago.zone/read-manga/haga_kun_wa_kamaretai/
what happened to his arm ?
Probably from the gunshot wound (ch.61)
It's probably because of their psychological bond (because he had pain in his side on the mall scene). Jae-In was stressed out and afraid and the doctor had told Jae-in around chapter 40-45 that the alpha was the one feeling the symptoms of their psychological bond. If they were to form a physical bond then Jae-In would feel anything Taeyoon would be feeling. Kinda cool, huh?