1girl, seiun_sky_(umamusume), solo, horse ears, horse tail, zombie, undead, pale skin, messy hair, torn outfit, dirty outfit, scratches, dried blood stains, alone in an abandoned city street, ruined buildings, broken cars, abandoned racetrack in the background, fog, dark clouds, moonlight, eerie atmosphere, dramatic lighting, cinematic composition, horror atmosphere, ominous shadows, scattered debris, wind blowing through her hair and tail, highly detailed anime style, masterpiece, best quality, absurdres