Revived at Birth, New and Improved

When a small slip up by Kushina during the sealing of the Kyuubi no Kurama into Naruto happens and Kurama manages to pierce and kill the baby with his claw, a strange black and red strand revives Naruto. Follow Naruto as he goes through his life as the new Prototype. AU. Smarter, stronger, and logical-er Naruto. Noticeable differences. NaruHarem. Rated M (you'll find out why.)