FURVERT!

5_fingers anal anal_penetration anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro antler_grab antlers balls biped cervine_genitalia cervine_penis deer duo equid equine equine_genitalia equine_penis fingers genitals hooves horn horse laser_(artist)lifted looking_back male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome muscular muscular_male open_mouth penetration penis reverse_stand_and_carry_position sex simple_background sketch standing standing_sex unfinished watermark