Rule 34 Dev - 2024 3boys abs ai_generated anal anal_sex animal_genitalia animal_humanoid animal_penis anthro anthro_on_human anus avaru black_hair black_nipples blush bodily_fluids brown_body brown_fur brown_hair cum cum_inside equid equine equine_genitalia equine_penis freckles fucked_silly fur gay genital_fluids genitals group hair holding_both_legs horse human human_on_anthro humanoid humanoid_genitalia interspecies male male/male male_focus male_only male_penetrating mammal mammal_humanoid muscular muscular_male nipples open_mouth oral oral_sex penetration penis sex size_difference tagme trio yaoi|12289991912