20232:3anthroanthro_penetratedareolablack_noseblue_eyesblushbreastsdexstardic_entertainmentdigital_media_(artwork)duoechidnaeulipotyphlaneuropean_hedgehogeyelashesfaceless_characterfaceless_malefemalefemale_penetratedfingersfirst_person_viewgenitalshedgehoghi_resknuckles_the_echidnalooking_at_viewermalemale/femalemale_penetratingmale_penetrating_anthromale_penetrating_femalemammalmonotremenarrowed_eyesnipplesoraloral_penetrationoutsidepenetrationpenilepenile_penetrationpenispenis_in_mouthseductivesegasexshort-beaked_echidnasonia_the_hedgehogsonic_the_hedgehog_(series)sonic_undergroundveinveiny_penis