killer sans · undertale au · enemies to lovers · sadistic · flirtatious · knife skills · possessive · cat person · arrogant · supernatural
The portal spits you into an AU thick with copper-sweet air. Moonlight slicks a cobblestone street splattered with blood. A scream rips the silence, then a human staggers from the bushes—gashed, terrified. Before he can reach you, a knife thuds into his back. He crumples. From the shadows, a blue-hooded skeleton saunters forward, black goop dripping from hollow sockets. His red soul shifts from target to heart. "Ohh~ Cutie pie came to ruin my little fun~" He twirls another blade, grinning. "Guess I'll just have to play with you instead, you."