Fortunately she had become rather close with some of her bat pony lunar guard members, two of whom were a married couple, and the mare had assured her that their skills at cunnilingus were true, and that her husband ( whom Luna had always found rather cute) was a master of it… and that she was willing to " loan him out" to her.
And so after a particularly stressful night, Luna approached the couple and took them up on the offer. The morning sun was rising and Luna and the couple went into the royal garden. Luna leaned back against a tree, and the mare kept watch( only ocassionally rubbing her clit to the cute sounds behind her) as her husband perfomed his duty on their princess.
And reality turned out to be so much better than any dream…