Rule 34 Dev - 3d animal_genitalia animal_penis anthro ball_gag balls black_body black_goo bodily_fluids canid canine canine_penis cum dripping ejaculation erection gag genital_fluids genitals glistening glistening_body goo_transformation hi_res male mammal melting penis rubber sheath simple_background smooth_skin solo tar transformation yipkin|4213077768