royal guard and zephyr de luca (friendship is magic and etc) created by symm

3d_(artwork) absurd_res animal_genitalia animal_penis anthro anthrofied armor big_breasts big_butt breasts butt collar colored_nails cowgirl_position crown cutie_mark detailed_background digital_media_(artwork) duo earth_pony equid equine equine_genitalia equine_penis erection female friendship_is_magic from_front_position genitals glistening glistening_body glistening_skin grey_body grey_skin hasbro headgear headgear_only helmet helmet_only hi_res horn horse huge_breasts male male/female mammal muscular muscular_thighs my_little_pony mythological_creature mythological_equine mythology nails nipples nude nude_anthro nude_female nude_male on_bottom on_top partially_submerged penis pony royal_guard_(mlp) sauna sex smile symm thick_thighs tiara towel wet wet_body wet_skin wetness_indicator white_body white_skin widescreen winged_unicorn wings zephyr_de_luca_(whitetail-designs)