Rule 34 Dev - against_surface anal anthro anus armus armus_(artist) asinus ass big_butt canid canine collar donkey duo equid equine face_in_ass facesitting fox fur glass grey_body grey_fur guide_lines hair hands_on_legs hands_on_thighs male male/male mammal on_glass oral pink_hair puffy_anus rimming sex skarrfox thick_thighs|7749917200