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anthro avian big_butt bird bodily_fluids butt butt_cleavage clothing dominant dominant_female dreamcast dreamcast_logo duo electronics esrb eulipotyphlan facesitting female game_console game_poster game_screen gamecube gamecube_console gaming gaming_while_facesitting hedgehog hi_res hirundinid huge_butt hyper hyper_butt larger_female logo male male/female mammal memory_card metal_city_(sonic_riders)nintendo nintendo_console oscine panties passerine player_id playing_video_game poster screen screencap sega sega_dreamcast shadow_the_hedgehog sitting sitting_on_another size_difference smaller_male sonic_adventure sonic_riders sonic_the_hedgehog_(series)storage_device swallow_(bird)sweat sweaty_butt ultimateshadow underwear wave_the_swallow