Responses

Yeah, Hwon is childhood friend, he survived. No, he didn't kill the beggar, he just hit him, but as I understood the beggar died then in a motorcycle accident or something like that... Yes, Woojin's brother (Jongjin) had told that guy about Hwon and we can say that Jongjin is responsible for what happened to Hwon eventually (although Hwon by himself is to blame for this). And I don't know whether Jongjin lied to Woojin about childhood friend's death or he really thought so due to wrong information... ╮( ̄▽ ̄)╭
Potential spoilers
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So, is Hwon the childhood friend? Did he survive, and then go kill the beggar that tried to kill him? Did he then go find Woojin?
Also, did Woojin'so brother tell the guy who Hwon was and how to find him? Is he responsible for what happened to Hwon?
Did he lie about the friend and separate him from Hwon so he could wiggle his way in?
Help.
Asking all this based on the raws
https://webtoon.bamtoki.com/도망-망각