animal_genitalia animal_penis anthro balls biceps big_balls big_biceps big_knot big_pecs big_penis bodily_fluids canine_genitalia canine_penis cum cum_drip cum_in_mouth cum_inside dripping duo ejaculation erection fellatio genital_fluids genitals huge_knot knot leaking_cum male male/male muscular muscular_anthro muscular_male oral pecs penile penis penis_tip prison prison_cell sex sheath vein veiny_biceps veiny_muscles veiny_penis wolfgrinn canid canine canis fox mammal were werecanid werecanine werewolf wolf