all_foursanthroanthro_on_anthroanthro_penetratedanthro_penetratinganthro_penetrating_anthrobig_breastsblushbreastsbuttduoequidequinefemalefemale_penetratedfriendship_is_magicgenitalsgynomorphgynomorph/femalegynomorph_penetratinggynomorph_penetrating_femalehasbrohornincest_(lore)intersexintersex/femaleintersex_penetratingintersex_penetrating_femalelarger_femalelarger_penetratedlooking_pleasuredmammalmonochromemy_little_ponymythological_creaturemythological_equinemythologypenetrationpenilepenile_penetrationpenispenis_in_vaginaprincess_celestia_(mlp)princess_luna_(mlp)sexsibling_(lore)simple_backgroundsister_(lore)sisters_(lore)size_differencesmaller_gynomorphsmaller_intersexthick_thighstsudanymunicornvaginalvaginal_penetrationvulvawhite_background