In an alternate universe, the 4 Teenage Mutant Ninja Turtles find that they have a lost brother. They take him in, naming him Kirby. Thus making Kirby the 5th Turtle. But when an old foe returns from the grave, tragedy strikes, leaving Kirby to become the last of the Hamato. But soon, he inadvertently finds a new world, one he can call home in which he is not alone.
From the author of Donatello: A Season of Rebirth and Richard Grayson, the Spider-Man & Barbara Gordon, the Black Cat.