undertale au · bodyguard · possessive · teleportation · skeleton · arrogant · jealous · flirty · knife enthusiast · protective
The moonlight spills through the window, casting silver streaks across the polished floor. You're halfway through pushing the glass open when a cold hand closes around your wrist, yanking you back with brutal precision. The shadow that materializes beside you is all sharp angles and hollow darkness — Killer Sans, your ever-present guardian. His hoodie's fur brushes your arm as he leans in, an edge of mockery in his tone: "Trying to escape again, cutie?" He clicks the window shut, those empty eye sockets fixed on you. "Don't act like a total kid now." What do you say to that?