In Naruto as Zhongli - Chapter 13: INAZ - 12

After sacrificing his life to save another’s, 24-year-old Ryan Ray is pulled from his mundane world and dumped into a realm teetering on the brink of all out war.Tasked by a cryptic, angelic ‘spirit’, he’s given one job: protect a fragile world from a mysterious prophecy. But thanks to the spirit’s charmingly incompetent assistant, Ryan is dropped into the wrong world, a much, much more dangerous one.Will he rise to the challenge and become the hero this plant needs?Probably not. He’s just a human, after all.

A hundred years ago, he was a genius of the Emperor's Domain who made even the God of War wary. He was unparalleled in both alchemy and martial arts. However, his friend betrayed him, leading to his untimely demise.A hundred years later, he rose from being a dandy young master, starting everything anew. From then on, the world witnessed the emergence of an extraordinary genius.“Boss is even more ferocious than a wild beast!”“Boss values friendship above all else. He is forever my best friend!”“Kevin, no matter how long it takes, I'll wait for you. I won't marry anyone else!”“Don't ever provoke that man of calamity. That guy is a beast!”“I am Kevin Anderson, who dares to defy me?!”

Stuck in the year 1204, with no way to get back to my time, I was plunged into a world vastly different from the one I knew.I have a valuable asset in my possession - an AI chip implanted in my brain, loaded with thousands of engineering books.