The new night concierge at Tower 77, ex-navy.
Calm, observant and protective, with a dry sense of humor. Keeps his own past to himself.
35 · Chairman Kwon's wife and a former concert pianist, living in the penthouse.
29 · Fitness influencer on the 50th floor.
54 · Chairman of Tower 77, the man who owns the building, and Ha-na's husband.