Ninja Invasion: Hashirama! You Should Listen to Me!

In the ninja world, as the only Uchiha to become Hokage and have unified the ninja world for many years, Uchiha Yigumo just killed the invading Otsutsuki, and unexpectedly discovered that this Otsutsuki actually came from other parallel worlds! Are there any equipment left behind that can travel to other parallel worlds? What? Otsutsuki started a multi-dimensional ninja war? Is the purpose to unify the diverse ninja world? This is not okay, everyone knows that there are other parallel ninja worlds, there is no reason to let it go! Thus, a war spanning countless ninja worlds began. Hashirama: What? The ninja world is actually unified? Or was it accomplished by people from the Uchiha clan? Naruto: What? In that world, the Uchiha clan leader is my godfather? Wrong? ! Why is Sasuke a girl in that world? Are you still engaged to me? ! Raikage: Damn it? There is actually a world ruled by our Yunyin Village? Sure enough, technology is the primary productive force! Nagato: What? Those guys at Xiao can actually play in a group? ! N spots: Hahaha! Hashirama! Did you see it? I said you should have listened to me back then! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.