Mommy Villainess - Chapter 15: Fire Mage

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

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!

The great cultivator Qin Zhao, unable to bear the torment of her treacherous disciple, chooses death but ends up reincarnated as a scandalous starlet in the modern entertainment industry.This starlet is notorious for not taking her career seriously, engaging in underhanded tactics and is shunned by all top celebrities.Forced to make enemies and infamous, Qin Zhao retorts: I only know fortune-telling, keep the negativity coming.Using her skills in fortune-telling and feng shui to exorcise evil and dispel disasters, she becomes the honored guest of various magnates, turning haters into fans.However, her husband, a man of immense power and unpredictable moods, who is cold and difficult to handle, increasingly resembles her former disciple.Qin Zhao promptly serves divorce papers, demanding him out of her life. But the cold but elegant Dr. Chu reveals his true nature, desperate to keep her.Clutching her hand, he holds a scalpel to his chest, declaring, 'Zhao Zhao, you can take my life anytime, but you cannot leave me.'You destroyed and rebirthed me, thus my life can only be yours thereafter.ps: The fierce and cool female immortal master X from white to black, a seemingly cold but drama-loving doctor.

In the aftermath of a tragic incident, the soul of Zhang Fei was transmigrated into a sacred body in a world of cultivation. Joined by the consciousness of an ancient cultivator, Zhang Fei must find a way to survive in this deadly world of beast demons and immortal cultivators.