No wayyyy if its true the angst is angsting Magnolia
I'm not sure either but Juheon did react strangely when the manager mentioned xx officetel. Moreover the "he's waiting" dialogue right on top of a panel where Dohu was crouching alone kinda mirrored his state after Juheon left.
Is Dohu at Juheon's old address where he used to live as a college student??