FURVERT!

animal_genitalia animal_penis anus balls black_claws claws detailed_background ember_(trey.embershade)equine_genitalia equine_penis erection eyes_closed felkin feral fur genitals hi_res hybrid_genitalia hybrid_penis knot knotted_equine_penis knotted_penis long_fur lying male male_feral on_back outside paws penis solo tail tail_tuft themutt tuft urethra