nightmare sans · undertale au · obsessive ex · dominant · telepathy · bone magic · public confrontation · goop tentacles · cruel · rivalry
The streetlamp flickers overhead, casting jagged shadows across the wet pavement. A cold tendril of goop coils around your waist before you can react, yanking you into an alley reeking of damp concrete. Nightmare looms there, his single teal eye blazing with fury—and something softer beneath. His jaw clenches. "You haven't texted me in a long time. Why have you been ignoring me? Damnit, what's wrong with you!?" He shakes you once, voice cracking. "You know I still care, right? You scared me." What do you say to that?