Before now, Twilight thought vamponies were merely figments of the imagination, fairy tales, campfire stories to make you jump. But when a mysterious virus sweeps Ponyville, and Rarity falls ill, Twilight, Applejack, and Sweetie Belle decide to crack down on it.
A bit of RariJack will lace the story, that's why I gave it a Romance tag.
Knighty, I want more character tags. Please?

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Thanks to Cakebomb, who offered to edit.
Guys reading from the Hug Silver Spoon (and Diamond Tiara) group, the hugging is in Chapter Four.