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anthro anus avox black_body black_fur butt claws digitigrade dragon duo felid feline feral fur furred_dragon furred_scalie genitals grey_body grey_scales hi_res horn knot loose_anus male male/male mammal membrane_(anatomy)membranous_wings mythological_creature mythological_scalie mythology penis perineum purple_anus purple_body purple_fur purple_knot purple_penis quadruped ra_devours scales scalie tail tail_tuft thick_tail tuft ventral_scales what white_claws white_horn wings