Rule 34 Dev - animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ass backsack ball_tuft balls biceps biped bodily_fluids canid canine canis cum cum_in_mouth cum_inside domestic_dog duo fangs fingers forced forced_oral fur gay genital_fluids genitals german_shepherd head_tuft herding_dog knot lying male male/male male_only male_penetrated male_penetrating male_penetrating_male mammal masturbating_during_fellatio masturbation muscular muscular_legs muscular_male mystikfox61 nipples nude on_back oral pastoral_dog paws penetration penile penile_penetration penis perineum sex simple_background teeth thundergrey tongue triceps tuft vein veiny_penis were werecanid werecanine werewolf wolf yaoi|4118314240