I have to say, I don't see where people say Sakura was being "too mean" to Naruto in this filler, She is just like all the others, Worried for Yota, and happens to know just as much as the others, that he was last seen with Yota, Since Naruto doesn't get along well with the other kids during that time, I think it matches just fine. also, After Shikamaru mentioned how they might have been too hard on Naruto, Sakura got a close up shot looking concerned...She seems to dislike Naruto, but isn't a mean little girl. Just reacts the way most would don't you think?
This filler isn't very good tho, but it's amusing to watch I sappose.. Seeing the Rookies as children always makes me feel the urge to watch the part 1 episodes again..lol...so adorable.
Anyway, I thought it was a "ok" filler. And since it has many parts, I won't judge it too harshly.
( I really hope the next filler doesn't have any Hinata fanservice, I'm enjoying just Seeing Naruto and Sakura as little kids, I know Sakura didn't like him back then, and if this filler is done right, maybe we will get better insight on why she Sakura thought Naruto was "making fun of her" like she said in Chapter 3. ( Of course, filler logic is going to be lame...But It would be nice if the anime company at least tried to better explain this part of Sakura's feelings towards Naruto. ) I get so tired of anti-Sakura people giving her a hard time for even DARING to dislike him. How old is she back then anyway? 5?....6 maybe? A little young for people to think she HAS to have a mature way of looking at Naruto don't you think?
ok...I'm rambling now...sorry about that.