A massive explosion during an experiment at a secret underground intelligent biochemical technology research base destroyed the entire city.

Joko, who was used by this base for inhumane and tragic human experimentation, miraculously survived the explosion.

And as a result of this misfortune, the brain was compressed to its limit due to the energy collapse of the massive explosion inside the city, resulting in the implantation of a black technology formed by the ultra-concentrated compression of antimatter energy—the Singularity Light Brain.

From then on, his life took a dramatic turn in the world of "Marvel," he became an overpowered character, and began his journey to the top...

(Multiple female protagonists) (Three Devil Fruits, close to the original work) (No system) (Adult-oriented) (Dark style) Columbian Sakai was originally a working-class slave in modern society. When he transmigrated to the world of One Piece, his fate took a turn. He encountered the Dark-Dark Fruit, which was known as the most evil, and from then on, his destiny began to resonate.

He couldn't help but sigh: This is fate!