FURVERT!

abs animal_genitalia animal_penis anthro balls biped black_nose bodily_fluids canid canine canine_genitalia canine_penis cheek_tuft chest_tuft claw_growth claws collar collar_only ear_expansion ear_transformation expansion facial_tuft fangs finger_claws fur fur_growth genital_fluids genitals grey_background grey_body grey_fur growth hair half-closed_eyes human human_to_anthro humanoid_pointy_ears husdingo leaning leaning_backward lying male mammal mid_transformation narrowed_eyes nude on_back open_mouth pale_skin penis penis_tip pointy_ears precum red_eyes red_hair red_penis shaded shadow sharp_teeth sheath short_hair simple_background sitting snout snout_growth solo species_transformation spiked_collar spikes spread_legs spreading tail tail_growth teeth tongue tongue_out transformation tuft