16:93d_(artwork)4k69_positionabsurd_resanthroanthrofiedballsblue_eyesblue_hairblushbodily_fluidsbrother_(lore)brothers_(lore)crossgenderdigital_media_(artwork)duoequidequineerectionethereal_hairfriendship_is_magicfurgenitalshairhasbrohi_reshornincest_(lore)malemale/malemammalmedial_ringmulticolored_hairmy_little_ponymythological_creaturemythological_equinemythologynipplesnudeoralpenisprincess_celestia_(mlp)princess_luna_(mlp)salivasexsibling_(lore)sparklesunieveinveiny_peniswidescreenwinged_unicornwings