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anal anal_penetration anthro anthro_penetrated arms_tied bat bdsm big_breasts bondage bound breasts dildo dildo_in_ass dildo_in_mouth dildo_insertion eyelashes feet felixf female female_anthro female_penetrated fucking_machine full-length_portrait fully_bound genitals helpless machine mammal monochrome motion_lines nipples object_in_ass oral oral_penetration penetration penile plantigrade portrait rouge_the_bat sega sex_toy sex_toy_in_ass sex_toy_in_mouth sex_toy_insertion short_tail simple_background sketch solo sonic_the_hedgehog_(series)suspension suspension_bondage tail three-quarter_portrait thrust_lines thrusting