FURVERT!

2016 2d_animation accident accidental_exposure all_fours anal_transformation animal_genitalia animal_penis animated anus armchair backpack backsack ball_fondling balls balls_expansion bathing becoming_erect belly belly_expansion belt big_balls big_bulge big_butt big_penis biped_to_quadruped bite_mark bodily_fluids bottomwear breath bulge bursting_out bursting_out_of_clothing butt butt_expansion button_(fastener)button_pop chair clenched_teeth clock clothed clothing cloud collared_shirt cum cum_drip curtains detailed_bulge dock_(anatomy)dress_shirt dripping dropping_object ejaculation equid equine equine_genitalia equine_penis erection expansion eyes_closed falling falling_over fanning fanning_self fasttrack37d feral feral_transformation fondling footwear frame_by_frame front_view full_moon furniture genital_expansion genital_fluids genital_outline genital_transformation genitals glans grabbing_chest growth guide_lines hands_to_hooves hooves horse horse_tail huge_filesize huge_penis human human_to_feral humanoid_genitalia humanoid_penis kicking_object kitchen kitchen_cabinet kitchen_counter kitchen_sink leaking_precum licking long_playtime looking_at_butt looking_at_genitalia looking_at_self low-angle_view lying male mammal masturbation monochrome moon navel neigh night no_sound nude on_back open_mouth oral panting penile penile_masturbation penis penis_expansion penis_lick penis_outline perineum picture_frame precum precum_drip precum_on_face precum_on_self puckered_anus puffy_anus rear_view retracting_foreskin rolling running_water self_lick sex shirt shoe_burst shoes shorts sitting sketch snout snout_growth solo species_transformation spread_butt spread_legs spreading star storyboard sweat t-shirt table tail tail_growth tail_motion tail_tuft teeth throbbing throbbing_balls throbbing_penis tight_bottomwear tight_clothing tight_topwear tongue tongue_out topwear torn_bottomwear torn_clothing torn_topwear transformation transition tuft undressing unfinished video view_between_legs walking wardrobe_malfunction water werecreature wereequine werehorse window wiping_sweat