4:3all_foursanalanal_penetrationanthrobacksackballsblue_bodyblue_hairbuttclassic_sonicclassic_sonic_(universe)clothingdoggystyleduoeulipotyphlaneuropean_hedgehogfootwearfrom_behind_positiongenitalsgreen_eyeshairhedgehoghi_reslarger_penetratedlarger_submalemale/malemale_penetratedmale_penetratingmale_penetrating_malemammalpenetrationsegaselfcestsexshoesside_mouthsize_differenceskyethekitsunesonic_the_hedgehogsonic_the_hedgehog_(series)square_crossoversubmissive