Ayyyyeeeee

A young girl with brown hair and a blue shirt smiles with closed eyes as a white skeletal figure looms behind her, then the scene shifts to show the skeletal figure, Sans, with a wide grin, standing in a dark environment with glowing white figures behind him, followed by a shot of Sans holding a red cloth with text overlay, and finally a close-up of Sans with text overlay, all set against a dark, atmospheric background.