Toaru Majutsu no Index SS - Volume 1, Chapter 2: A Dull Gray Alley. Skill_Out.

The Gura Gura no Mi is known as the strongest fruit in the world of one piece.

In Naruto world, the blood limit would grant the strongest power for those ninjas. But what if the Gura Gura no Mi is found in the world of Naruto And after it is eaten it will be like a blood limit power.

Well, the MC just took that Fruit.

This story begins before the second Ninja war by two years.

- Description from novelupdates

A man is stabbed by a robber on the run after pushing his coworker and his coworker’s new fiance out of the way. As he lays dying, bleeding on the ground, he hears a voice. This voice is strange and interprets his dying regret of being a virgin by giving him the [Great Sage] unique skill! Is he being made fun of ?!

People keep assuming I’m some kind of evil mastermind.But seriously, I’m just a son-in-law freeloading off my noble wife’s family.…Why does everyone look so suspicious?Wait—don’t tell me. Is it because of my squinty eyes?!

I was a genius in the Earthen Plane.