The Girl Who Bore the Flame Ring - Chapter 3: Broken Scales

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

The older young Lisko woke up and found that he had become an American. He took over his father’s ranch and began to live in the United States.

- Description from novelbuddy

Transmigrated into the world of High School DxD, Roy believed he had been handed a life of luxury and glory. Born into the prestigious Lucifuge family, with his Sister Grayfia as his strict yet devoted older sister, he thought he was destined for greatness. 99,997… 99,998… 99,999… 100,000!!But... reality proved harsher: Roy lacked demonic talent and, despite years of training, remained a Low-Class Devil. his peers effortlessly achieve High-Class status, he’s been trapped in a cycle of endless sword practice and ridicule. Yet, he refused to accept mediocrity. Ten thousand sword swings a day, relentless training.. Until one day..[Ding! The Strongest Demon King System has been activated. Access functions to learn more.]---- High School DxD - Main World!1 - High School of the Dead [●] - First2 - Demon Slayer [●] - Second3 - Akame Ga Kill [●] - Third4 - Bladedance of Elementalers [●] - Fourth5 - Campione [●] - Fifth

Sivis was transported into the game Gandanyir.In a world where nobles monopolize extraordinary powers while commoners, barely better than pigs and dogs, suffer endless torment, he inherited the title of the Evil God.By continuously slaying enemies, Sivis could earn Soul Points, which allowed him to enhance his monsters.Goblin → Elemental Goblin → High-level Goblin.Skeleton Soldier → Skeleton Mage → Bone Dragon.Stone Golem → Fire Demon → Carved Gargoyle....In order to strengthen his monsters, Sivis started wars, annexed nations, and slaughtered countless nobles and kings.He also casually gathered numerous helpless commoners, bringing them under his domain system, improving agricultural and industrial technologies, ensuring that these people had enough to eat, teaching them to read, and turning them into the creators of his domain's wealth, which he ruthlessly exploited.But... Sivis had two doubts.First, why is it that his subordinates are always bringing him women?First, it was the Saintess from the Church, then a peerless female knight, followed by a princess from the kingdom, a succubus from hell, an angel from the Holy Hall...Second, why, as an Evil God, are countless people calling him the Savior, the Wise King, and the Benevolent Father of all beings???