20174:3animal_genitaliaanimal_penisanthrobdsmbodily_fluidsboundconditional_dnpcrossgendercumcum_in_vaginacum_insidedialogueduoenglish_textequidequineequine_genitaliaequine_peniserectionfemalefemale_penetratedgender_transformationgenital_fluidsgenitalshasbroheart_symbolimpregnationjcosneverexistedlightning_loons_(character)malemale/femalemale_penetratingmale_penetrating_femalemammalmtf_crossgendermtf_transformationmy_little_ponymythological_creaturemythological_equinemythologynudepegasuspenetrationpenilepenile_penetrationpenispenis_in_vaginaropesemi-anthrosexsleepy_rain_(character)texttransformationvaginalvaginal_penetrationwings