Rule 34 Dev - ambiguous_gender barcode bared_teeth black_body black_fur black_nose black_sclera brick_wall duo feral fur looking_at_viewer red_eyes tail teeth text wall_(structure) whiskers yellow_text unknown_artist varjak_paw black_cat_(varjak_paw) domestic_cat felid feline felis mammal book_cover cover hi_res official_art russian_text url|19627510910