I think most of the characters developed wonderfully especially even the new Kages, I'm looking forward to Himawari's progress a Hyuuga Bloodline plus Uzumaki Bloodline so dope, even Boruto's progress I hope he start learning sage chakra like his godfather Jiraiya.
Maybe there will be people in Boruto that will surpass the Otsutsukis by just shinobi's skill and the undying will of fire. I just hope the series introduce more arc aside from just full Otsutsuki like an invasion of a new country from another continent, or a rogue shinobi organization like Akatsuki, etc.
