1:1absurd_resanthrobadnikbig_breastsbig_penisblushbreastsclenched_teethcrossgenderdominantdominant_femaleduoeulipotyphlaneuropean_hedgehogfemaleflamezgenitalsglowingglowing_bodyhedgehoghi_reshuge_breastshuge_thighslarger_femaleleg_grabmachinemalemale/femalemammalmetal_sonicmouthlessmtf_crossgenderneo_metal_sonicon_lappenisrobotsegasexsittingsitting_on_anothersitting_on_lapsize_differencesmaller_malesonic_the_hedgehogsonic_the_hedgehog_(series)sparklessubmissivesubmissive_malesuper_transformationteeththick_thighsthigh_grabthigh_sex