"It's like falling - no, sinking deeper into the inner darkness." Having lost your mother and your previous way of life, you found yourself burdened by the weight of a cruel and unforgiving reality. In the midst of despair, you had yearned for someone to extend a hand and lift you from the depths of your sorrow. Howev...
Rei Senju. Ever heared of her? No? I'm not suprised. There's not alot of people knowing her. Till now. She is the daughter of two Sanin. NOT Orochimaru! Tsunade and Jiraiya. She was travelling around with her parents untill she finally got home to the Leaf. Her skills are at least Chunin level and her medical ninjuts...
Naruto is bullied by kids because of reasons unknown to him. Feeling alone you happen to walk into his life. (Disclaimer: I own nothing but the plot)