The Daugther of Shredder: Rewrite of A new addition to the family

Kyo, the biological daughter of Shredder. She never felt like she belonged anywhere and the only friend she ever had was her older sister Karai. When Karai tells her to run and met her some place her life changes. Karai get mutated and she is alone, but an old friend of her sister comes to her aid. Will the turtles learn her true identity and Kyo finds her true home? Also by GemYin