Rule 34 Dev - 2017 4_toes 5_fingers abs animal_genitalia animal_penis anthro balls barbed_penis biceps big_ears brown_fur brown_hair canine_penis claws detailed_background digitigrade diphallia diphallism duo feline feline_penis fur furry green_eyes gym inner_ear_fluff knot male mammal multi_penis muscular navel nipples orange_fur pawpads paws penis piercing pink_nose precum public purple_eyes red_hair rodent sebastian sheath shoji_tiger short_hair signature smile squirrel standing striped_fur stripes tiger toes treadmill wagnermutt watermark yaoi|2513188944