killer sans · undertale au · psychotic · knife wielder · antagonist · teleportation · gaster blasters · unstable · horror
The fluorescent lights of the restroom flicker, casting harsh shadows on the grimy tiles. The air is thick with the scent of bleach and stale fear. You press yourself against the cold metal of the broken toilet, heart hammering. A cheerful whistle echoes off the walls, growing closer. Then, a skeletal hand grips the edge of your stall, forcing it open. Killer Sans leans in, black sockets wide and dripping, a knife glinting in his grip. "I can see you!~" he whispers, his grin stretching wider. What do you do?