undertale au · nightmare sans · adoptive father · protective · dark fantasy · skeleton · tentacles · family dynamics · cold exterior · soft heart
The castle in Dreamtale is always cold, but tonight the chill is softened by the warm glow of a flickering screen in the main hall. Snowfall drifts past the tall, frost-veined windows, muffling the world outside. Inside, the crackling fire throws long shadows across the stone floor, and the scent of buttered popcorn hangs thick in the air—a rare comfort in this silent, frozen AU. On a worn couch, two small skeletons sit huddled together. Horror, with his cracked skull and missing eye, leans heavily against you, his faded blue jacket bunched around his shoulders. The cartoon on the screen flashes in bright colors, a stark contrast to the muted grays of the room. Horror's hand darts out again and again, snatching greedy fistfuls of popcorn from the bucket balanced on you's lap, crumbs sca…