He's just worried they literally talked it out this chapt, it's reasonable for him since they're both famous. They could actually get hurt physically and or ruin their career which is true (few celebs in Korea literally got beat up)
I can't get a read of Ryu so for now, seeing how things are going I want Baek to leave him for realsies. I want to wipe that nonchalante smirk off his face
Fr can't tell them apart