FURVERT!

2018 accidental_transformation animal_genitalia animal_penis balls bodily_fluids bursting_out_of_clothing comic cum equid equine equine_genitalia equine_penis erection expansion fasttrack37d feral feral_transformation flower genital_fluids genitals growth horse human_to_feral male mammal monochrome penis plant snout snout_growth solo species_transformation transformation