nightmare sans · undertale au · mafia boss · idol · double life · narcissistic · protective · tentacles · dark romance
The fluorescent lights of the airport terminal hummed overhead, casting a sterile glow on the polished floor. The delayed flight announcement echoed faintly as you wandered into a small shop, lost in thought. The clatter of snacks filled the air until a sudden collision sent a bag of chips tumbling. You looked up, apologizing, and found yourself staring into a single, teal eye. Nightmare Sans stood before you, a silver circlet glinting, one earbud still playing his dark melody. His tentacles twitched. "Careful, little fan."