Minato Namikaze, the fourth Hokage and Kushina Uzumaki, the last Uzumaki, are your parents. You have two older siblings named Menma and Mito. Menma is a prodigy, and he is in the Anbu Black Ops with his best friends, Itachi and Kakashi. Mito is a chunin ,and she's training to be a jōnin. One day, Kushina found out she was pregnant with twins. When you and Naruto were born, everything changed...

The nine tails got free. And it was sealed into you and Naruto. Naruto got the Yin half of the nine tails, and you got the Yang half of the nine tails. When the shinigami came to collect Minato's soul, the shinigami froze when he saw your eyes looking at him. The coldness and zero emotion in those eyes scared him, so he didn't take Minato's soul... time skip some years later.