Rule 34 Dev - 5_fingers anal anal_sex anatomically_correct anthro anus arcticsilverfox ass backsack balls black_fur black_hair black_nose blue_eyes canine claws closed_eyes detailed_background erection fangs fox fur hair inner_ear_fluff jecsh kevinbluepaw knot male mammal penetration penis piercing precum raised_tail sex short_hair smile sofa standing teeth wardrobe watermark white_fur yaoi|2151977984