Rule 34 Dev - animal_genitalia anthro ball_size_difference balls black_eyebrows black_nose blush bodily_fluids border bovid bovine brown_balls brown_eyes brown_hair brown_sheath canid canine canis comic cuddling dialogue domestic_dog duo english_text eyebrows fur genital_fluids genitals hair hi_res horn hug hugging_another larger_male male male/male mammal mastiff molosser multicolored_body multicolored_fur musk musk_clouds nude penis pink_nose pink_penis precum redrusker rottweiler sheath size_difference smaller_male spooning sweat sweaty_body tail tail_tuft tan_body tan_fur text tuft white_balls white_border white_horn white_sheath|13068217328