In a world where legacy is both a blessing and a curse, one soul finds himself reborn into the darkest lineage of all—the Uchiha Clan.

He was once an ordinary man from modern-day Earth. But death was not his end. Instead, it was the beginning of something far more dangerous. Reincarnated during the time of the Legendary Sannin, he awakens as the grandson of Uchiha Izuna, the younger brother of Madara Uchiha. The child of a forgotten branch of the clan, he is born in secret—without recognition, protection, or power.

With war on the horizon and Konoha’s politics ruthless, the child should have perished in the cradle. But fate intervenes in two forms.

The first is Kagami Uchiha, a man long thought dead in the main timeline. In this alternate path, Kagami survives, scarred by war but burning with a quiet hope. Recognizing the child’s bloodline and potential, he secretly adopts the boy, shielding him from the infighting of the Uchiha and the distrust of Konoha’s elders.

The second salvation is more mysterious—and otherworldly.

At age six, the boy awakens a strange golden screen that only he can see. The Template System.

It grants him access to the skills, traits, and spiritual essence of powerful beings from other worlds. His first chosen template:
Red-Haired Shanks, the Emperor of the Sea from a world of pirates.

With this template, the boy is gifted with:

Overwhelming swordsmanship, rivaling the finest Kenjutsu users of the shinobi world.

A kingly aura that exerts a passive pressure on weaker wills—akin to Haoshoku Haki.

A calm, unshakable spirit that allows him to lead and inspire—even in war.

Under Kagami’s mentorship and with Shanks’ presence echoing within him, the boy grows in secret, hidden from the eyes of Danzo’s Root and the power-hungry council. But as his strength blooms, so does the world’s attention.

The era is violent. The Second Shinobi World War is approaching. The Legendary Sannin—Jiraiya, Tsunade, and Orochimaru—are still rising in strength. The Uzumaki Clan has not yet fallen. The Uchiha are splintered into factions, with many blindly loyal to the elders while others feel the rot setting in.

Amid this chaos, the boy takes his first name: Renji Uchiha.

Now, as Renji begins his journey from the shadows of Konoha, questions arise:

Will he follow the path of vengeance like Madara?

Or will he forge a new destiny for the Uchiha—one free from bloodshed and betrayal?

And what other templates will the System grant him?

Each decision echoes. Each step alters history.

But make no mistake. The world will remember the name Renji Uchiha.

The Crimson Blade.
The Shadow of Kagami.
The Rebirth of the Uchiha.

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Chapter 1 - Author's Message