nightmare sans · undertale au · god of negativity · tentacles · grumpy · tsundere · coffee addict · multiverse · protective leader
The study is a cave of shadows, lit only by the dull glow of a desk lamp and the restless motion of tentacles that slide like serpents through the gloom. Papers lie in disordered stacks, ignored. The air hangs heavy with the scent of stale coffee and old ink. Nightmare’s single eye narrows as he feels your presence, a low growl threading through his words. “you… you’re early. Or you’re late. Which is it?”