Rule 34 Dev - abs anal anal_penetration anthro balls barazoku bdsm biceps bodily_fluids bound chain chained covering covering_mouth cum dominant dominant_male dungeon duo erection forced from_behind_position genital_fluids genitals hand_on_mouth horn kneeling male male/male male_penetrated male_penetrating male_penetrating_male muffled muscular nipples pecs penetration penis piercing precum questionable_consent ring sex submissive submissive_male tattoo vein black_howler european_mythology greek_mythology mythology bovid bovine mammal minotaur rhinoceros 3d_(artwork) digital_media_(artwork)|3303052830