@Oh lord i might be wrong ( sorry for that) but i think he'a son of the old lady (emily) that aaron asked her about where's yujin. as i remembered (not clear) yujin used to talk to her son in the fews first chapter (i guess) he's also a singer or actor!!? (i forgot sorry).
HEEEYOOOO EVERY BAAADDDYYYY... HOPE YA GUYS HAVIN' A GREAT DAY EVERY SINGLE DAMN DAY... BTW I'm BI... LOVE READING YAOI.. BAI BAI GUY..LUV YA( ˘ ³˘)♥