rule 34 2021 abs absurd res anal anal sex anthro biceps bodily fluids brown body day detailed background dripping duo equid equine feet foot fetish foot in mouth foot lick foot play genital fluids genitals grey body grey hair hair hi res humanoid feet kneeling kris zourik licking looking at viewer looking back lying male malemale mammal muscular muscular anthro muscular male nipples nude on back outside pecs penetration penile penile penetration penis penis in ass plant precum precum drip sex smile toe in mouth toes tongue tongue out zourik 5387732