Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 51 - The Apprentice System

In the tribal farming era, the world was vast and unknown. Upon continuous exploration, the people of ancient times were appalled to discover that in this world, where the sky was round and the earth was square, all sorts of miracles had befallen them. There were even figures like an ultra-big ten-thousand-foot giant, as well as huge intelligent beasts that had mysteriously appeared, trampling upon the mountains and rivers, and shattering the earth. Hundreds of years later, in such a dangerous environment, people fought against the huge beasts and finally established the glorious Sumerian civilization. On this day, a wise giant suddenly made a complete descension on earth, trampling on all the mountains and rivers, and wiping out the entire nation. The world crumbled, and city-states collapsed; had the gods descended to condemn the people?

“I’m sorry, you’re all just ants living in the orchard of my yard and you are just scrambling all over the place. If I were to accidentally pass you by, I might just accidentally trample you all to death. That’s it for you.” So first, I’ll set up a sandbox in my own yard, a base area for plotting farmland. Then, I will shepherd the human race and various worlds in my sandbox.

He said coolly: “One million a month, stay with me!” She raised her eyebrows and smiled: “Pay a 30% deposit first, no credit!” Show no mercy. When the contract expired, she turned around gracefully, and when he chased after her, she found that there was already a kid the size of a kid beside her…

- Description from novelbuddy

Lambert, one of the great generals from Regios kingdom was suspected for planning a rebellion against his lord at the end of unification war, he died an unnatural death. Two hundreds years later, when the era has changed and Regios kingdom entered it’s peaceful era, he accidentally revived as a demon called Undead Knight.. Lambert whose entire body was wrapped in a flashy Demon Metal[Organ] set out on a journey to punish the wrongdoers while enjoying the peaceful sight of Regios kingdom. But…….. This peaceful era was basically an easy mode for Lambert, the greatest general of the chaotic era.

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy