Rule 34 Dev - 2015 animal_genitalia balls black_and_white breasts canine canine_penis chair cote cowgirl_position cum duo eyelashes feet female feral hair heart hug human human_on_feral interspecies knot male mammal mastery_position monochrome navel nipples nude open_mouth penetration penis sex simple_background sitting sketch straight sweat tongue tongue_out vaginal_penetration white_background zoophilia|2050573592