Time Travel: Naruto's and Sasuke's Redemption of the Past

Their Strongest Jutsus Naruto's Rikudō: Chōōdama Rasenshuriken/Six Paths: Ultra-Big Ball Rasenshuriken and Sasuke's Indora no Ya/Indra's Arrow clash resulting in an explosion that sends both of them into the past with their powers limited. Now they have a chance to rewrite history. Can they fix old problems or will new evils arise? But things are going to change that is certain.