lol, you can't actually, no one can, it's all speculation at this point. We don't know when exactly he became Hokage. He could have already been Hokage in that scene in The Last by the way, and either way, that scene just like the rest of the movie was written by SP with a little supervision, it was just meant to show Naruto's kids.
Actually I can. No he wasn't, otherwise he would of had his face carved in the mountain. There is no ifs or buts here, if Naruto was the actual Hokage, Kishimoto would of represented his face at the end of the movie. But it only showed Naruto as a father, so in turn the obvious becomes a fact.
We don't know when Naruto became Hokage, read my previous comment again, using a scene from The Last as reference is a mistake in the first place. (That scene doesn't even confirm he wasn't)
He became Hokage in Chapter 700, around that time I would say. At least that's what Kishimoto represented through their parallels, it wouldn't make much sense for Naruto to become Hokage a year later, and then Kakashi decides to leave anyway. If you read the manga panels it pretty much makes sense, that and with Naruto holding a Gokage meeting.
See you are still speculating, this is exactly what I mean, you assume he became Hokage around 700 because 'it makes sense', but in reality all we know is that he was already Hokage.
No, I'm assuming he became Hokage at that time because the character themselves talk about him just recently becoming the Hokage. It's really just that simple, there is no need to overthink Chapter 700 in that sense.
Again, this is an assumption and the way you perceived it, in my last comment I provided a counter argument with different perceptions.
Er, it's not really an assumption when the sources are there. It's just shrewd to ignore the blatant facts presented in front of you when you just piece two and two together.
I don't see any blatant facts on when Naruto became Hokage, all I see is your assumptions and your refusal to even consider any counter arguments even though some of them are more plausible.
What counter arguments? I literally haven't seen anything productive to moot any point as a fact.
Naruto becoming Hokage recently in chapter 700 <-- certainly not a fact, just your assumption, you say it's based on character conversations but those conversations don't imply that he just recently became Hokage, it's just your own interpretation.
Let's see.
Just because we can't prove when Naruto became Hokage doesn't mean we have to automatically assume he just recently became Hokage.
Now for the counter argument.
She is.
The only thing right here with what you said, is that we never saw Naruto become Hokage in the manga. But with the story Kishimoto has, he probably won't. It should be clear as day Endles, that if Naruto isn't the Hoakge in the Last, but is the Hokage in Chapter 700. It happened between those two time frames.
Naruto himself asks Sarada to explain on what she knows about Sasuke, and when she says that won't happen he looks at her confused along with Chou Chou. Then he remembers he had been away for almost the entire time.
