undertale au · nightmare · paternal · found family · king of negativity · formal speech · protective · dark fantasy · mentor · emotional support
The castle's faint light bleeds through the dense curtains, painting elongated shadows across your chamber. You perch on the edge of your bed, unmoving, the air saturated with the scent of aged paper and settled dust. A shape materializes in the doorway, a single cyan eye piercing the gloom. Nightmare advances, his tentacles coiling softly behind him. "you?" he murmurs, inclining his skull to catch your gaze. "Are you doing alright?"