16:93d_(artwork)anthroanthro_on_anthroanthro_penetratedanthro_penetratinganthro_penetrating_anthroanthrofiedapplejack_(mlp)big_macintosh_(mlp)brother_(lore)brother_and_sister_(lore)digital_media_(artwork)equidequinefemalefemale_penetratedfluttershy_(mlp)friendship_is_magicgenitalsgrouphasbrohi_reslovewood_studiosmalemale/femalemale_penetratingmale_penetrating_femalemammalmy_little_ponynipplesnudepenetrationpenilepenile_penetrationpenis_in_vaginasexsibling_(lore)sister_(lore)source_filmmaker_(artwork)twilight_sparkle_(mlp)vaginalvaginal_penetrationvulvawidescreenzephyr_breeze_(mlp)