Rule 34 Dev - 2021 2boys after_anal after_sex animal_genitalia animal_penis anthro ass balls black_body black_fur bodily_fluids canid canine canine_penis cum cum_in_ass cum_inside cum_on_butt duo erection excessive_cum fur genital_fluids genitals girly grey_body grey_fur hair human human_on_anthro humanoid humanoid_genitalia humanoid_penis interspecies kneeling larger_anthro larger_male long_hair male male/male male_only mammal muscular muscular_anthro muscular_male penis pubes simple_background size_difference smaller_human smaller_male somanyfangs teratophilia were werecanid werecanine werewolf yaoi|5080756912