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1:1 2020 2d_animation ahegao all_fours ambiguous_penetration animated animated_gif anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro barefoot bat big_breasts bouncing_breasts bouncing_butt breasts butt collar collar_only doggystyle duo echidna erection eye_roll feet female female_penetrated frame_by_frame from_behind_position fucked_silly fur genitals hair knuckles_the_echidna leash leash_pull looking_pleasured male male/female male_penetrating male_penetrating_female mammal monotreme nipples nude penetration penis red_body rouge_the_bat sega sex short_playtime smile sonic_the_hedgehog_(series)tongue tongue_out vylfgor