I've Already Confronted the Five Kage, and the System Just Arrived! - Chapter 334 - 335

In a world where power is dictated by gangs, cities, and families ranked from Tier 1 to Tier 6, only the strongest survive. In the Tier 4 city of Blackridge, fifteen-year-old Elijah struggles to find his place. With his mother working tirelessly and his younger sister depending on him, he has always kept his head down.Determined to rise above the chaos, Elijah and his best friend Kai decide to create their own gang from nothing. But strength in this world isn’t given—it’s taken. The gangs that rule Blackridge won’t tolerate competition, and even the weakest gang has more resources, manpower, and experience than they do. With no money, no reputation, and no clear allies, they must navigate a brutal world of betrayals, violence, and ambition, where every decision could mean life or death.But Elijah is different. He possesses a mysterious system that offers him power—at a cost. As he slowly uncovers its secrets, he realizes that survival is not enough. To protect those he loves, he must become stronger than anyone else. He must climb the ranks, crush the opposition, and seize control of Blackridge’s underworld.But in a world ruled by kings, warlords, and ancient families, the price of power is steep. And when the past comes back to haunt him—when whispers of a forgotten night resurface—Elijah must confront not only his enemies but the truth about himself.In the gang world, the strong rise, the weak perish, and only the ruthless reign supreme.And Elijah? He plans to reign at the very top

For ten years, Ryn lived in quiet exile with his wife Mira, far from a world overrun by supervillains. But when the flames of chaos reignite, he’s forced to return to the battlefield, stronger and deadlier than ever.By his side is Mira, his unwavering partner—devoted, ruthless, and hiding a darkness Ryn can't see.Enemies rise, old ghosts return, and war looms on the horizon. Ryn seeks justice, while Mira seeks to protect him... even if it means drowning the world in blood.Let them come.

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy

In a monstrous post-apocalyptic setting, this is a story of how a lowly Inventor, Lance, conquered a nation governed by immoral group of Scientists called The Corporation. He grew and climbed up to the highest rank possible as a Scientist with his inventions and side businesses. Eventually, he became a weapons inventor, building weapons to two opposing sides. In doing so, Lance always crossed a dilemma. How could a nobody topple the most powerful government? How could one overcome circumstances beyond his grasp, especially in a world filled with monstrous mutations called the Abominants?