Exactly what gets me wondering. Nomura already said the characters were new, and the scene was in the past.
So I don't see why people bother speculating whether or not it took place in the future or if the characters in it are people we know.
Yeah, but maybe those characters are ancestors of Sora, Kairi, and Riku. I mean, the BHS looks a little too much like Roxas, even though he's not, and Roxas is a part of Sora