The Fast Five (A Fast and the Furious Fanfic)

(Own characters except for Dominic and Mia Toretto. Don't read if you don't like OCs. Takes place after Fast 4. Btw, Letty is Dead).
Family. If there was one concept that Dominic Toretto lived by, it was family. It was his both his Saving Grace and Achilles Heel. But with Letty gone and Mia in college, Dominic finally saw himself all alone. All except for a new Love Interest who couldn't possibly fill the space in his heart.
Kim Dos Santos has left home long ago in the hopes of finding a place and person to call her own. She would fight to ensure Dominic was the person. Even if she had to fight with the dead. Even if she had to leave her own family behind to do so.
Sean Dos Santos was driven by family. It was the reason he left home in the first place: to search for his older sister and to remove his younger siblings from the clutches of his abusive father.
He never dreamed of ending up in a world of Fast Cars, Nitrogen Oxide and Street Racing. He never dreamed of meeting the love of his life at a Drag Racing Track. He never dreamed of turning his family into a Drag Racing Team, calling themselves the Fast Five. And he certainly never dreamed of meeting his sister in that world as well.
With new people entering his world, will Dominic Toretto be able or willing to reconstruct his family?
Especially in the presence of a new enemy?