2017 4_toes african_wild_dog animal_genitalia animal_penis anthro anthro_on_anthro athletic back_to_back balls black_fur black_nose blue_fur canine canine_penis clenched_teeth crossed_arms digitigrade duo ear_piercing erection eyebrows fur gloves_(marking) hair hi_res knot looking_back male mammal marjani markings multicolored_fur nipples pawpads paws penis piercing pink_fur pink_nose purple_fur red_penis simple_background standing teeth toes vein white_eyes white_fur white_hair yaoi yellow_eyes yellow_penis