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1:1 2d_animation anal anal_penetration animated anthro anthro_on_anthro anthro_on_bottom anthro_on_top anthro_penetrated anthro_penetrating anthro_penetrating_anthro anthro_penetrating_male anus balls big_balls big_penis blue_body blue_fur blush bodily_fluids bouncing_balls bouncing_butt butt digital_media_(artwork)duo echidna erection eulipotyphlan eyes_closed frame_by_frame from_front_position fur genitals hedgehog huge_balls huge_penis knuckles_the_echidna krazyelf male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_anthro male_penetrating_male mammal moan monotreme multicolored_body multicolored_fur muscular_bottom nipples nude on_bottom on_top open_mouth penetration penile penile_penetration penis penis_in_ass red_body sega sex short_playtime smile sonic_the_hedgehog sonic_the_hedgehog_(series)sonic_the_werehog sonic_unleashed sound sound_edit sound_warning spiked_penis spikes spikes_(anatomy)sweat tan_body tenno_(va)thesoundeditguy third-party_edit two_tone_body two_tone_fur video voice_acted werecreature wereeulipotyphlan werehog