Reborn as a Medical Ninja in the Age of Legends

Summoned from the past by Tobirama Senju himself, medical ninja Emiya Shirou awakens in Konoha's fifth year—just as the legendary battle at the Valley of the End concludes. His mission: save the First Hokage's life and alter the course of shinobi history. But in a world where Hashirama and Madara have just clashed, where bloodlines define destiny and village politics run deep, can one healer's knowledge change everything? A thrilling Naruto fanfiction that reimagines the founding era.