2016 4_toes anthro ass ass_grab backwards_baseball_cap baseball_cap bear big_butt brown_nose brown_pawpads canine duo facesitting fur furry gay green_fur green_tail grey_background hat husky interspecies larger_male looking_back lying male mammal multicolored_fur nude on_back pawpads paws pinned rear_view short_tail simple_background size_difference smaller_male straddling tan_fur tan_tail taoren toes two_tone_fur two_tone_tail white_fur white_tail yaoi