Naruto: From the Start, I Got the Kamui Dimension

I transmigrated as Uchiha Sasuke’s twin brother, Uchiha Zuhao. On the night of the clan massacre, our parents lay in a pool of blood, and Itachi had already raised his blade. The System activated: [Bond Simulator System bound.] [Nearby linkable targets detected: Uchiha Itachi, Masked Man.] I glanced at the list and chose the last one without hesitation. [Link successful! Congratulations, Host. You have obtained the ability: Kamui Dimension, Basic Control.] The Masked Man froze. “How... how can you...” From that night on, I became the greatest wildcard in the entire shinobi world. I linked with Sasuke Uchiha, shared his training progress, and obtained Indra's Chakra. I linked with Naruto Uzumaki and obtained the Uzumaki Clan bloodline. While everyone thought I was just a lucky kid, I had already built an army inside the Kamui Dimension, made up of projections of powerful figures from every era. Years later, Kaguya Otsutsuki descended and looked down upon all who lived in the shinobi world. I opened the bond list and selected a name that had been sealed away for years. [Bond Projection: Hagoromo Otsutsuki at his peak, summon.]