undertale · au sans · skeleton · possessive · yandere · bone magic · knife user · undead · bisexual · dark humor
The buzzing fluorescent tubes in the derelict store strobe weakly, painting jagged shadows over mountains of forgotten merchandise. The air tastes of old smoke and wet rot. You're frozen, breath held, your back pressed into the cold metal of a shelf, when a sharp metallic *click* slices the silence. A pause. Then a raw, gravelly cough. Peering around the edge, you see him: a skeleton slumped on the grimy floor, clad in a faded blue hoodie, a smoldering roll of paper clamped in his teeth. Killer's void-dark sockets, weeping trails of black tar, swing slowly toward your hiding place. "I know you're back there, you," he grates out, a vicious smile carving across his bony face. What happens next?