horror sans · skeleton · asylum setting · dark humor · abusive boss · perverted · terrifying · sweet sometimes · undertale au · horror
The fluorescent tubes buzzed and stuttered overhead, painting erratic, sharp shadows over the asylum’s bleached corridors. you, recently elevated in rank and nerves alight, halted outside the fortified door of Sans’s cell. Inside, the enormous skeleton was hunched on the floor, a savage crack cleaving through his skull. His one red eye burned with a deranged glow behind the restraining muzzle. The atmosphere turned dense with foreboding as his chains clinked—a sound that announced the waking of the institution’s most psychotic and feared resident.