Rule 34 Dev - 2020 3_heads animal_genitalia animal_penis balls black_body black_fur black_nails body_control canid canine canine_penis canis cerberus clothing colored colored_nails conjoined ejaculation english_text european_mythology feral forced forced_transformation fur genitals greek_mythology human human_to_feral knot kyetwolf kyetwolf_(artist) lying male male_focus male_only mammal multi_head mythology nails nude on_back penis raised_tail silvergriffin21 simple_background solo solo_focus species_transformation text tongue tongue_out torn_clothing transformation transformation_sequence wolf|4317170976