Naruto: Yūki clan

an otaku unfortunately or fortunately dies and gets reincarnated in Naruto the warring states era he is born 30 years before hashirama and Madara our lucky fella came through with a system [strongest family system] to be exact. as you may know not a lot is known about the warring states so some clans will be made to fill the void in the world a lot of original characters from myself and the show will be included in this novel