The Other Tyler - rewrite

We all know Rose Tyler, the beautiful blonde companion. But what about her older sister?
Mei Tyler, twenty four years old, somewhat genius.
Found and adopted by Jackie and Pete Tyler at the age of two, she has no name and no history.
And then she met the Man in the Blue Box.
He swept her off her feet, and showed her the stars.
She started learning more about herself along the way.
But did it change her life for better?
Or Worse?

i don't own Doctor who, the main story line, the characters or the images