age_differenceambiguous_genderanatomically_correctanimal_genitaliaanimal_vulvaanonymous_artistanusbad_parentingbuttcutie_markdock_(anatomy)duoequidequineequine_genitaliaequine_vulvafemalefemale_(lore)female_predferalfriendship_is_magicgenitalshasbrohi_reshooveshorselarger_femalemammalmy_little_ponynipplesnudeolder_femaleponyprincess_celestia_(mlp)size_differencetailteatstwilight_sparkle_(mlp)unbirthingunderhoofvaginalvorevulvayoung_(lore)