After the disastrous chunin exams it wasn't Sasuke that left the Hidden Leaf in search of power. Instead, Naruto, in a fit pain and rage after learning that Sasuke got all the credit, again, leaves the village vowing on his Ninja Way to never let Sasuke achieve his dream of killing his older brother. After all Sasuke stole his dream so it was only fair. Start from Konohamaru's POV