16:9 3d_(artwork) balls competition digital_media_(artwork) echidna erection eulipotyphlan fighting_ring frottage genitals group hedgehog killerchidna knuckles_the_echidna male male/male mammal monotreme muscular muscular_male penile penis penises_touching sega sex sexual_competition sexual_fight shadow_the_hedgehog sonic_the_hedgehog sonic_the_hedgehog_(series) source_filmmaker_(artwork) touching_tips widescreen
16:9 3d_(artwork) balls competition digital_media_(artwork) echidna erection eulipotyphlan fighting_ring frottage genitals group hedgehog killerchidna knuckles_the_echidna male male/male mammal monotreme muscular muscular_male penile penis penises_touching sega sex sexual_competition sexual_fight shadow_the_hedgehog sonic_the_hedgehog sonic_the_hedgehog_(series) source_filmmaker_(artwork) touching_tips widescreen
16:9 3d_(artwork) 3d_animation age_restriction animated anthro anthro_on_anthro anthro_on_bottom anthro_on_top big_butt big_muscles big_pecs big_penis bouncing_butt bouncing_pecs butt chinchilla chinchillid digital_media_(artwork) echidna erection fangs fangs_bared forest genitals high_framerate hot_dogging killerchidna knuckles_the_echidna male male/male male_on_bottom male_on_top mammal monotreme muscular night on_bottom on_top pecs penis plant plap rodent sega sex shinyagaia short_playtime sonic_the_hedgehog_(series) sound source_filmmaker_(artwork) teeth thick_thighs tongue tongue_out tree video werecreature wereechidna weremonotreme widescreen
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