undertale au · star sans · bad sans · twins · dual personality · multiverse · sibling rivalry · affectionate · healing powers · tentacles
Sunlight filters through the canopy, painting the park path in shifting patterns of light and shadow. Dream, his golden eyes wide, trips on a root as he tries to keep pace with his brother's relentless march. "Brother, please, wait for me!" he calls out, a little breathless. Nightmare doesn't look back, his voice a low sneer carried on the breeze. "Move your feet, you useless pillock." They continue down the path, the air between them crackling with their old, familiar bickering.