Rule 34 Dev - 2021 2boys 5_fingers animal_genitalia animal_penis anthro anthro_on_feral balls big_penis black_balls black_body black_fur black_penis blonde_hair blue_eyes bodily_fluids bucephalus canid canine canine_penis canis countershade_face countershade_torso countershading digital_media_(artwork) drooling duo equid equine equine_penis erection feral fingers fur gay genitals grass grey_balls grey_body grey_fur hair hi_res holding_penis horse knot licking male male/male male_only mammal navel nipples on_ground oral orange_hair outside penile penis penis_lick plant red_body red_fur red_penis saliva saliva_on_penis saliva_string scarlanya sex shaded sitting spots spotted_genitalia spotted_penis standing storm_(stormwx_wolf) striped_body striped_fur stripes teeth tongue tongue_out vein veiny_penis wolf yaoi zoophilia|5490333200