Naruto: Rewriting Regrets from the Third Great Ninja War Onward

After transmigrating into the Hokage world, he becomes a cannon-fodder shinobi in the Third Shinobi World War. With Rin's death and Minato's tragedy looming, Uesugi Toru, who possesses a sign-in System, wants to change their fates. After awakening the sign-in System, he signs in on the battlefield to gain power and at a sacred site to learn sage arts. In this life, he will fight against the fate he already knows with his own strength, turning every regret into a different outcome! This is a passionate tale of a thirty-year-old soul who sets off a storm in the shinobi world to make up for past regrets.