The seventh hokage Reborn ! is a Manga/Manhwa/Manhua in english language, manga series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

After facing off the last of the Otsutsuki clan members a forbidden seal activates on the last descendant’s body sending Naruto back into the past before his change began. Naruto is back in the academy with a few days remaining before the academy graduation exam. Naruto now has the opportunity to relive either as a loser who became the hero or awaken as a reborn genius that surpassed all his peers and changes the future.