Board Thread:Naruto Discussions/@comment-1512913-20150411191519/@comment-4849011-20150515220039

Vivek001 wrote: (Kishi actually planned the manga to be on ramen and kids, which was rejected, so he changed it to Japan with Ninja or something related, not really sure if its true... just read on another of the numerous sites)

I don't know if that's true either, but when you consider that there's a manga about tennis and another about cooking, it doesn't sound so far-fetched.