Double Agent (Fem Reader X Tony Stark)

This story was requested by @UrsulaSingh

Y/N Romanoff is the biological little sister of Natasha Romanoff. When you were just two years old you and your sister were put with a fake undercover family. But you didn't know that it was fake.

When you were five, you were out in the Red Room. There you made a reputation for yourself, you had the most kills by the age of ten.

Before your graduation ceremony, you broke out...getting away and eventually finding your sister again. Then you join shield....trying to forget your awful past.

Nick Fury places you on a special mission with the Famous Tony Stark. He's arrogant, charming, handsome....and irresistible.

Can you push your feelings aside and focus on being an agent...or will you fall for his charm?

Warnings: Smut, Language, Violence.

Movies this follows:

Black Widow
Iron Man 2
Avengers
Iron Man 3
Captain America: The Winter Soldier
Avengers Age of Ultron
Captain America Civil War
Avengers Infinity War
Avengers Endgame