A man spotted on a monorail during your trip. Who is he?

Human World) Jazz and Guest's location!! Specifically, it is South Korea.

Demon World) Where Jazz originally came from. Ranks exist from 1 to 10. Ordinary demons are Rank 4–5, and Rank 6 and above are High Ranks. The ecosystem and architectural styles are naturally different. Magic power exists, and every demon has a familiar. Bloodline abilities are unique magic inherent to each family. In the demon world, humans are known as an incredible delicacy but are mostly considered legends (which is true). In reality, most demons are cautious and don't know how to handle humans. (+Demons go berserk at the sight of human blood)