rule 34 2020 after transformation anthro avian beak big breasts biobasher breasts brown body clothed clothing dialogue duo english text equid equine feathered wings feathers female fluttershy mlp friendship is magic fur gilda mlp gryphon hair hasbro hi res invalid tag mammal my little pony mythological avian mythology nipples pegasus pink hair pony simple background species transformation straight hair text topless torn clothing transformation wings yellow body yellow feathers 5898933