FURVERT!

1:1 3_heads 4_toes 5_fingers 5_toes black_body black_fur black_pawpads blue_eyes blue_hair breasts canid canid_demon canine cerberus claws demon digital_media_(artwork)digitigrade european_mythology feet female feral feral_transformation fingers fur fur_growth glowing glowing_eyes greek_mythology grey_body grey_fur growth hair hellhound human_to_feral inner_ear_fluff mammal merging mid_transformation multi_head mythological_canine mythological_creature mythology nipples nude open_mouth pawpads red_eyes sharp_teeth simple_background species_transformation tafferbutt teeth toe_claws toes tongue tongue_out transformation tuft whiskers