So, this story was sort of inspired by this song I heard. It's an original MLP fan created type song that I don't remember the artist's name but it's apparently just entitled "Friendship", and its about friends meeting up after their friendship dissolved so I thought to myself "What kind of situation is this sort of thing happening within." or something like that.

This is the culmination thereof. It takes place in the main MLP universe, but features gender-swapped versions of Twilight Sparkle and Rarity, who, along with their friends, come from an alternate universe where the genders of many characters are swapped (go figure)

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From Lead Crown Factions part 1 and onwards (provided there is an onwards), the story focuses on other members of the group doing their own thing.