FURVERT!

2:3 animal_genitalia animal_humanoid animal_penis anthro balls biped bodily_fluids bottom_pov close-up comic comic_panel equid equid_humanoid equine equine_genitalia equine_humanoid equine_penis erection first_person_view genital_fluids genital_growth genital_transformation genitals glans growth hi_res horse horse_humanoid human human_to_anthro humanoid humanoid_genitalia humanoid_penis male male/male male_anthro male_humanoid mammal mammal_humanoid medial_ring penis penis_growth precum receiving_pov selezneva sex species_transformation transformation transformation_sequence transformation_through_sex vein veiny_penis