The Malevolent Female Villain Turns Out to Be Me - Chapter 159: Return to the Xiao Group

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.

A man who races against time in the Marvel universe, hungry for pleasure. In the dark night, Nuohe stood on top of the building in a black robe, overlooking the bustling New York City. He lowered the brim of his hat and said in a low voice: They are restless, because I…

He grasped the supreme mystery, transformed into one identity after another, staged a big show, but in the end all became real

Behind him, there are many people standing, Madara with Sharingan open, Artoria holding the holy sword, Doflamingo laughing, proud Gilgamesh…

- Description from novelbuddy

Welcome to The Last Step – A Tale of Fate, Power, and the Unforgiven.In a world where magic defines one's worth, three souls walk a path toward an uncertain destiny—each bearing a power that can shape the fate of nations.Lucas, the God’s Chosen Sorcerer, wields divine magic that bends reality itself, blessed by forces beyond mortal comprehension. A shining beacon of hope—or a harbinger of destruction—his path is riddled with expectations he never asked for.Celia, the Queen of Curses, commands a power feared by even the strongest mages. She carries the weight of a past filled with whispers and condemnation, but where others see a curse, she sees the strength to carve her own future.Kaiser, the Unwanted Void, stands apart. Neither blessed nor cursed, he is the anomaly that should not exist. In a world that measures worth by magic, he is a shadow in the light—yet, the abyss within him holds something far greater than mere sorcery.Together, they are bound by fate yet divided by their own battles. As war brews and forgotten gods stir, the lines between hero and villain blur. In the end, their choices will decide more than just their own lives—they will determine the very foundation of their world.This is their journey. This is their Last Step.

Matthew, a 25-year-old otaku, never imagined his obsession with fantasy worlds would turn into reality—until a fatal gas leak ended his life and transported him to another world.But this wasn’t the second chance he hoped for. Born as the illegitimate son of an affair, his very existence was a stain on his family’s honor, and his father relentlessly sought to kill him.Yet Matthew, now Claude, survived, again and again, driven by an unyielding will to live.Until one day he discovered his power darkness. Feared and reviled in this world, dark mages were hunted and burned alive.Knowing his gift could become his downfall, he trained in secret under Theo, his true father.When he turned sixteen, he, his mother, Dalia, and Theo planned their escape from the small town.But their attempt was thwarted by knights and clerics from the Promised Land.Though he narrowly escaped with his life, the cost was high—his family’s safety shattered.Wounded and desperate, Matthew fled to the fabled Elysian Plains, the last hope for those like him.Just as he reached the border of the Elysian Plains at eighteen, an ambush left both him and his mother gravely injured.Collapsing on the sacred ground, he heard a voice echo in his mind:[Welcome to the Elysium of Darkness System, Lord of Calamity.][Your first quest is available!][Increase the number of dwellers in the Elysium using your seeds and blood! Spread your legacy by making demons and witches bear your children!]