FURVERT!

animal_genitalia animal_penis anthro belly bent_over cock_vore duo equid equine equine_genitalia equine_penis feet_first genitals hand_on_another's_head hi_res hooves horse looking_pleasured male male/male mammal medial_ring monochrome muscular mustelid otter otter_tail pandottermon partially_inside penile penis standing stretched_urethra tail tongue tongue_out urethra vein veiny_penis vore willing_prey