Rule 34 Dev - abs anthro armpit_hair balls biceps body_hair bound canid canine canis duo flaccid foreskin fur gay genitals grey_body grey_fur humanoid_genitalia humanoid_penis kamyuelo male male/male male_only mammal muscular muscular_anthro muscular_male nipples nude pawpads pecs penis pubes restrained white_body white_fur wolf yaoi|6499195200