Rule 34 Dev - animal_genitalia animal_penis anthro balls balls_expansion big_balls big_knot big_penis bodily_fluids body_slider cum cum_on_ground cum_on_penis excessive_cum excessive_genital_fluids expansion genital_expansion genital_fluids genitals gradual_change growth huge_balls huge_knot huge_penis hyper hyper_balls hyper_genitalia hyper_knot hyper_penis knot knot_in_sheath male orgasm penile penis penis_expansion sheath solo transformation shira_stargazer switcher-roo kazuya canid canine mammal maned_wolf animated hi_res no_sound short_playtime slideshow webm|15316563220