As the story progress it would be with Sakura going off to kill Sasuke, and Sasuke finishing off Danzo. This is where my story would end, but please understand why as I tell you this. As Naruto saves Sakura from
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. Naruto would turn around and face Sasuke, not as comrades, not as friends, but as enemies. Naruto would begin to warn Sasuke that if he did not stand down, he would be forced to eradicate him from the Shinobi world. Which in turn would shock Sakura whom had put a level of trust in Naruto for bringing Sasuke back.
The scene would end without any violence, it is not needed. It would end with Sasuke at Obito's side, and Naruto walking up to the corpse of Danzo (or Tree) and picking up the Hokage hat. He would clearly state to both Obito, and Sasuke before they teleport: "I will not stop you as your friend, nor will I stop you as a shinobi" - Naruto would begin to place the hat on his head - "I will stop you as a Hokage, if you so dare to bring harm to my village, my people. I will have no choice but to put you down, Sasuke."
Sasuke would be affected by those words, but not in shock. He would take this as a sign of challenge. Signifying their "ancestral" bond in which Yin/Yang, Light/Dark, etc., never stop fighting.
On that note I would have had the series end with a time skip, a few years into the future with Naruto as Hokage, and Sasuke whom left with Obito being trained by the mysterious hooded man who had yet to be named Obito (and probably never will in my story).