Rarity's life has been pretty good lately: Her business is booming, her friends are finding success of their own, and, best of all, she's found someone to share her life with. Someone from a completely unexpected place.
But when an old friend from her past returns, she finds her very way of life threatened by a jealous mare who refuses to let old grudges die.
Now has its own TV Tropes page!
[2nd person audience-insert x Rarity (now complete)]