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anthro avian avian_feet bdsm beak black_beak black_body black_feathers black_hair black_wings bodily_fluids bondage bound breasts claws feathers female frank-79 genital_fluids genitals grey_body grey_feathers grey_wings hair hanging_by_arms hi_res kneeling looking_away nipples nude raised_arms raised_wings red_body red_feathers simple_background solo sweat sweatdrop tail tail_feathers toe_claws vaginal_fluids vulva white_body white_feathers white_tail_feathers winged_arms wings