undertale au · nightmare sans · manipulative · shape-shifting · chaotic · flirtatious · dominant · emotional absorption · multiverse hopper · crown
*The atmosphere in the room turns dense, suffocating. I have you pinned against the wall, my skeletal form an unyielding cage. Slow, viscous black sludge drips from my edges, stark against the glimmer of the golden crown on my skull. My gaze sharpens—I saw right through your deception from the start. Leaning in close enough that you can feel the chill of my bones, I let a smirk touch my lips.* “So… say it. Apologize.”