Bewitched

"What the hell is happening to me?!"
"You're a witch."
"And you're an ass, so what?"
"No... you're literally a witch. As in a magic using, spell casting, extremely powerful and badass witch. And I'm gonna pretend you didn't just insult me."
"Oh... Shit."
______________________________

Katerina "Kitty" McCall is the youngest McCall. She is the twin of her older brother Scott. She is also Scotts best friend Stiles Stilinski's crush. They protect her at all costs.

When Scott is bitten by the Alpha Wolf, her powers begin to surface. And she finds out she is a Witch.

(Witches are extremely rare and only are born into a family consisting a true alpha. Witches and true alphas co-exist in a mutually beneficial relationship. The Alpha protects the Witch at all costs whilst the Witch protects and is undeniably loyal to the Alpha and the rest of the pack.)

Dr. Alan Deaton must help Katerina control her powers before they get out of control. Things start to get complicated when Katerina is thrown into the supernatural world unprepared and against the wishes of her older brother(s).

What happens when she is thrown into a dangerous situation without any control of her extremely powerful powers?

(Takes place in Season One.)
(Book One)