FURVERT!

absurd_res ambiguous_species anal_hair anthro anus balls big_butt butt equid equine equine_anus erection gaping gaping_anus genitals glans glistening glistening_anus group gym_shower hand_on_head hi_res horse humanoid_genitalia humanoid_penis imminent_anal imminent_sex kneeling male male/male mammal muscular muscular_male penis puffy_anus sex tail thick_thighs vein willian_(zourik)zourik