Rakuin no Monshou - Volume 4, Chapter 7: Lost Kingdom

I turned my assassin into my maid with the power of money! Money is all-powerful!

It was a world full of swords and magic; Lawrend was the son of the wealthiest merchant in town. Since the age of 7, he had been having dreams. A dream about a past life in a modern civilization where monsters are nonexistent, and humans dominate the world. Lawrend saw Iron birds, Magical bricks that display moving paintings, Thunder wielding, and many more.

There was a scene in one of the dreams that made Lawrend’s heart beat fast. A row of a dozen maids bowing in front of him. Each dressed in a french maid outfit.

Something awakened inside Lawrend when he had that dream. A fervent desire to have his very own Maid Harem!

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

Wu Chi is thrust into a parallel realm where myth and reality collide, and the heavens themselves are in turmoil. Armed with a mysterious, world-altering treasure, Wu Chi possesses the ability to reshape his domain like no one before him. Imagine turning a simple farm into a Spirit Field that skyrockets crop yields by 1000%, or upgrading a mere well into the Moon Well, a magical source of instant healing and energy.His journey doesn’t stop at farming—his Archery Towers become Elemental Towers, capable of annihilating foes with devastating magic, while his Barracks evolve into a Cultivation Academy, breeding legions of immortal swordmasters ready to conquer all.With wealth, power, beauty, and endless possibilities within his reach, Wu Chi has one goal: to claim it all. But in a world teeming with gods, demons, and fierce competitors, will he rise above the chaos or fall victim to it?Get ready for a tale where every decision could lead to unimaginable glory—or destruction. All People Lord is not just a story—it’s an odyssey of ambition, strength, and the relentless quest for immortality. Brace yourself for a ride that will keep you on the edge of your seat!

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –