Rule 34 Dev - 3:4 anal anal_sex anthro anthro_penetrating anthro_penetrating_human ass back_muscles balls big_dom_small_sub black_hair blue_body blue_fur bodily_fluids cum cum_in_ass cum_inside dominant dominant_anthro duo edit fur gay genital_fluids genitals hair hand_on_head human human_on_anthro human_penetrated interspecies kotori larger_anthro larger_male male male/male male_only male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_anthro muscular_male nude penetration sex size_difference smaller_human smaller_male submissive submissive_human uncensored ursid yaoi|5735719352