Rule 34 Dev - 2013 all_fours anus ass black_nose brown_fur brown_hair butt canine collar comic dog erection female furry hair hetero human human_on_anthro humanoid_penis interspecies jay_naylor leash long_hair looking_back male moan nude open_mouth penetration penis presenting presenting_hindquarters pubic_hair pussy sex uncut vaginal vaginal_penetration white_fur|291455