Rule 34 Dev - 2016 abs anal anal_sex anthro biceps big_muscles blue_hair braford brown_fur cetacean clenched_teeth dolphin duo erection fight fighting_ring from_behind_position fur grey_skin hair hi_res huge_muscles humanoid_penis male mammal marine mohawk muscular muscular_male navel nipples nude pecs penetration penis pink_nose raised_tail rat rodent sex smile tail_grab teeth wrestling wristband yaoi zoop|2158427584