Beast boys little sister

Being held in a cage for 6 years took a toll on me and my older brother,but the only difference was he escaped leaving me..2 years later I seen my opportunity and took it escaping from that cruel place we're they experimented on me and tortured me. With the help of my friend JJ I escaped fading into the night. I never stopped searching for my brother, whatg happens when out of no where I'm attacked by the one called Mammoth and the hero group called the Teen titans show up...