Naruto: I Command the Ninja World to Conquer the Multiverse!

One moment he's an ordinary guy, the next he's staring at Tobirama Senju demanding answers about Uchiha Madara becoming Hokage. The problem? He's now Hashirama Senju—and he's got two years to live. To survive, he must rewrite history, uniting with Madara to forge a truly unified ninja world. But when his system finally awakens, everything changes. Now, as the Otsutsuki clan descends to harvest chakra, Hashirama smirks at their arrogance. Why fear gods when he commands Saitama, Vegeta, Esdeath, and heroes from countless worlds? The ninja world was just the beginning—now he'll conquer every real…