Let The Darkness Lead You Home - rivers_bend (Ao3)

Description:

Vampires are in charge and most of the humans on earth are prey, so Frank Iero's parents have him train as a cyber tech to protect him. Leaving the family he's born into may have saved his life, but his parents never could have expected the lengths he'd go to in order to find a new family to call home.

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A dystopian world with vampires. It's a really interesting story and so well written it feels like you're watching a movie.