age_differenceambiguous_penetrationass_upblue_eyesblushbodily_fluidsbrother_(lore)brother_and_sister_(lore)brother_penetratingbrother_penetrating_sistercumdialogueduoejaculationenglish_textequidequineerynerikardfemaleferalfriendship_is_magicfurgenital_fluidshasbrohi_reshooveshornhorseincest_(lore)malemale/femalemammalmotion_linesmy_little_ponymythological_creaturemythological_equinemythologyoutlinepenetrationponypurple_bodypurple_eyespurple_fursalivasaliva_stringsexshaking_legsshining_armor_(mlp)sibling_(lore)sister_(lore)sister_penetratedtexttwilight_sparkle_(mlp)unicornwhite_bodywhite_fur