Sasuke wasn't the only one that Itachi spared that night. Itachi spared both of his younger siblings, Sasuke and his twin Tsuki. Sasuke and Tsuki have been inseparable since birth; they have a special connection to each other. One can't live without the other. Join the two on their journey through their lives. Pretty much the Naruto plot only with an extra character. Bad intro summary thingy but I swear the story is better.... I think.....