Chapter 1 (New Family Member)

Leo,Raph and Donnie was in mission to see what krang was planning. Krang was working for shredder. They were trying to make a mutant who most powerful,strong, can learn quickly. Only one mutant could survive. It was just an egg. Leo,Donnie and Raph went to the krang lab to discover and they found an egg who has a turtle DNA. Leo didn't want to leave unborn turtle in krang's hand so he took it.

In this story karai doesn't know her father is Splinter

(I don't own Tmnt)