FURVERT!

absurd_res anal anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro beard butt double_penetration equid equine equine_genitalia equine_penis facial_hair genitals group gullin hi_res horse male male/male male_penetrated male_penetrating male_penetrating_male mammal mouldirou muscular muscular_male penetration penile penile_penetration penis sex suid suine sus_(pig)wild_boar