Naruto's little Sister

It's been 12 year since the village was attack by the nine tailed fox. The fourth Hokage, Minato Namikaze died and sealed the nine tailed fox into 2 newborn babies. Thought, the younger child mysteriously vanished after that day. Hiro Namikaze, younger sister of Naruto has finally been able to see her younger brother but, neither of them know that they are siblings. And, that Hiro