Rule 34 Dev - 2014 4_toes abs anal anal_sex anthro ass ass_grab balls biceps black_fur black_hair black_nose blonde_hair brown_fur canine claws clef clefwolf color duo duskoe erection face_grab fangs from_behind fur gay hair head_grab kneeling lying male mammal muscles musical_instrument nipples nude on_front pecs penetration penis piano pose rough_sex sex standing teeth toe_claws toes toned vein wfa white_fur wolf yellow_fur|1871506008