Era of Castles: Starting with 99 Dragon Eggs - Chapter 311 - The Cunning John

I was transmigrated into a webtoon based on an alternate history of a shitty empire.‘I will overthrow this country with my own hands.’And the answer I arrived at upon experiencing it was ‘Coup D’état’.

Thrown into a brutal world of swords and sorcery, his memories stolen by an unseen force, Magnus wanted only one thing: to go home.But every kingdom, devil, and god — along with regressors, possessors, and fellow reincarnators — seeks to carve him apart.Survival demands war. War demands survival.And with a System that hides more than it reveals, Magnus is dragged down a bloodstained path... one battle, one betrayal, one broken world at a time.

The world had started doomsday, and I struggled for a year, before I died under an enchanted beast’s claw. Heaven has given me another chance, back a day before the end happen. Will I be able to change my fate, and that of my loved ones? Now, I will start my journey on becoming the strongest on the planet that the Gods have changed into a game world.

- Description from Novelupdates

lexander, a young billionaire, and some of his classmates died in a school bus accident. They had another chance to reincarnate in a fantasy universe. A world of Sword and Magic. However, while everyone got a wonderful gift, Alex got two guns. One is silver-colored while the other is black. He couldn't even use magic. Even when others made fun of him, and his stats were below average, Alex was still smiling as he believes in himself. With a fiery eye, he said: “On Earth, I was one of the richest, and in this New World, I shall be the strongest.” Together with the others, they were sent to the next world to begin again. This is the story of Alex with his two guns in another world, a fantasy world. The story of his struggles until he became the strongest. The tale of a journey towards the top.