FURVERT!

anus aroused balls big_penis bodily_fluids clothing cum equid equine equine_anus erection eyewear feral feral_transformation genital_fluids genitals glasses hi_res hooves horse human human_to_feral male mammal misty_morning nude penis puffy_anus shocked six_frame_sequence solo species_transformation tail torn_clothing transformation transformation_sequence transformative_necklace vein veiny_penis