One-Click Upgrade: Super Decomposition System - Chapter 329

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy

At 26, Portuguese footballer Tobi Oliveira ended his life, crushed by regret and failure. But fate gives him a second chance—sending him ten years back to when he was just 16, with a mysterious football system and all the memories of his past.Now, with raw talent, real hunger, and the unwavering support of his mother-agent and football-loving little sister, Tobi is determined to rewrite his story. From Sporting CP to Valencia’s first team, he must juggle brutal training, school, media pressure, and the emotional weight of his past life.But success doesn’t come easy. His stats drop in the pros. Not every match ends in victory. And greatness demands more than just skill—it demands heart.

Six years ago, he disappeared silently! After six years, he becomes the unparalleled "God of War" and returns with glory, only to find that he has a daughter whom he never knew of. Looking at his wife and his daughter, he says, "In this lifetime, I'll bring you the greatest honor and glory!”

The Third World War has been ended by the efforts of Kamijou Touma. With that, he vanished. With the Magic Side regrouping, the Sabbath for their followers has arrived.

In the headquarters of the Science Side, Academy City’s strongest Level 5 Esper Accelerator has washed his hands off the “Darkness.” Along with Last Order and Misaka Worst, his days pass by peacefully with no sign of GROUP.

Hamazura Shiage has formed a new ITEM with Kinuhata, Takitsubo and Mugino. Peace has come to the hands of the alumni who have “graduated” from Academy’s Dark Side at last… at least until a new evil “first year student” appears before them.

— This is a follow up to the popular Toaru Majutsu no Index light novel series, where Kamachi-Sensei has promised to deliver new premises and give a totally new flavor to the fights and plot developments