ultra-HD, anime_style, high detail, best quality, very aesthetic, 8k, masterpiece, best quality. Bull demihuman furry, solo, male. Red eyes. Shoulder length red messy hair. ((Black fur covering entire body)). Black horns with red tips. Athletic build. Wearing no shirt; weathered black jeans. Face painted as a bull skull in a dia de los muerte style. Glowing red eyes. Standing in a dimly lit tunnel underground.