FURVERT!

1:1 2d_animation animal_genitalia animal_penis animated animated_gif anthro anus areola balls becoming_erect big_balls big_breasts big_penis breasts breath breathing butt clitoral_hood clitoris close-up crossgender digital_media_(artwork)equid equine equine_genitalia equine_penis erection female frame_by_frame ftm_crossgender ftm_transformation gender_transformation genital_growth genitals greyscale growth gynomorph horse huge_balls huge_penis human humanoid humanoid_genitalia intersex long_penis male mammal miguel_the_werewolf monochrome nipples nude panting penile penis penis_growth presenting presenting_anus presenting_balls presenting_penis presenting_vulva sex shaking sheath shivering short_playtime simple_background solo species_transformation spread_legs spreading thick_thighs trans_(lore)transformation vulva white_background