Sasuke is gonna have a seizure and during the attack, his inner voice aka his soul will be like
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the fight is gonna stop and Naruto will say something like this
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and then finally they agree that the most important is TO FREAKING BE ALIVE and decide together, to be better than any hokage ever!
and of course, to wait until they are wise enough to rule the world and big bro hug time yadayadayada
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because they will finally agree that they are ignorant brat and not capable of anything except crap, so it's impossible to be a good person neither a ruler if you cannot build again after destroying something!
and Kakashi will be like
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but he will be the next hokage because he has a brain and he's not ****ed up by his hormones!