Take Me As I Am (Harry Potter Fan-Fic)

I do not own Harry Potter or any of Jk Rowling's characters. So with that said, I solemnly swear that I am up to no good.
James Potter has a twin sister, Jennifer Potter. Everyone thought she died after the dark lord captured her because she is powerful, more powerful than Dumbledore and Voldemort combined. But after the night James and Lily Potter died, she went into hiding and let everyone believe she died. Then one night, after eleven years of hiding, she received a letter from someone who she hasn't heard from since she was a student at Hogwarts, Albus Dumbledore. Albus tells her that she has a nephew and he is alive and well. She quickly finds out he is being raised by Lily's older sister and her husband who are absolutely horrific. As Jennifer returns for her nephew she cant shake off the feeling that it would be a bad idea for Harry to be living with her, she is dangerous and only just learned how to control all of her powers. Dumbledore as faith in her and he also appoints Jennifer the new quidditch coach/referee and flying instructor at Hogwarts. She also catches up with an old friend and an old enemy. And to top it all off she finds out her ex lover escaped from Azkaban. So how will Jennifer do in trying to hide her past and powers while dealing with her crazy future? What happens when she starts to develop feelings for the greasy hair git who she has hated for years? How will Harry react to finding out his father has a sister? Read Take me as I am to find out!