Why Do I Tremble In The Dark?

Jisoo's entire life is an anomaly. He is a human, and yet he lives in a town surrounded by the supernatural, the only one of his kind privy to the knowledge of their shrouded world. Working as a bartender at The Devil's Cauldron, he abides by one major rule: never trust magic folk. No one has respect for a mortal life, and all Jisoo can do is politely decline their advances, fearing for his life all the while. All it would take is one misstep for him to meet a brutal end. So why is it that Jeonghan and Seungcheol, two of his regular customers, treat him so differently? It almost seems like they care, but that could never truly be the case...