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1:1 age_difference anthro apron big_breasts blush breasts clothing crossgender dr._eggman duo ear_piercing electronics embarrassed english_text eulipotyphlan eyewear female glasses headphones hedgehog human humanoid lips looking_at_viewer male mammal marthedog mtf_crossgender nipple_outline older_female piercing sega size_difference smile sonic_the_hedgehog sonic_the_hedgehog_(series)standing text younger_male