Naruto: On the Night of the Uchiha Massacre, I Slaughtered the Multiverse of Shinobi Worlds

Reborn into the Naruto world for ten years, Uchiha Genki was adopted by Uchiha Izumi and her mother Uchiha Hazuki.

However, as the night of the clan massacre was about to arrive, he still hadn't received the system. Helplessly forced into action, he could only take his mother and Izumi in a desperate attempt to flee.

But to his shock, the clan massacre night-which should have been days away-arrived ahead of schedule!

Facing the relentlessly advancing Itachi Uchiha, Uchiha Genki pinned all his hopes on a memory from his previous life: that Sasuke harbored Indra's reincarnated chakra, praying Itachi would spare Hazuki and Izumi.

Yet, what he never anticipated was Black Zetsu eavesdropping from the shadows. Fearing Uchiha Genki would expose its plan to rescue its mother Kaguya Otsutsuki, it suddenly commanded several White Zetsu to launch a sneak attack on him.

As Uchiha Genki desperately closed...