Kibum, better known as key, owns a hotel call keyp hotel for desperate people, he doesn't charge money instead he charges your soul, you'd think no one would sell their soul for a hotel but key is rather convincing even manipulative, promising eternal happiness at his hotel, he runs it like a cult almost, the residents seem to worship him, he isn't a human, no one knows quite what he is, when you showed up desperate to get away from a life full of toxic people after a bad break up, you stand at the counter and ring the bell, a man walks over saying to call him key, you ask if there's a room available he smirks saying of course