Rule 34 Dev - 2011 abs anal anal_sex anthro armpits biceps black_fur black_hair black_nose blue_eyes brown_eyes canine cheetah claws clenched_teeth copier duo ear_piercing erection feline from_behind_position fur grey_fur grin hair humanoid_penis male male_only mammal muscular muscular_male nipple_piercing nipples orange_fur pecs penetration penis piercing red_hair sex spots stripes superslickslasher teeth unprofessional_behavior white_fur wolf yaoi|2379137344