Reincarnated as a Femboy Slave - Chapter 247: Willow Returns

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.

Yang Qizhou unexpectedly obtained a text-based role-playing game called 【Deceit World】 and discovered that the rewards he received in the game could be brought into reality, and various bizarre events also began to unfold in the real world.In the era of ancient earth, ancient god sacrifices, the return of the old gods, strangeness rises, horror rampages, the unknown and the mysterious coexist, distortion and evil thrive, the sun cannot be directly viewed, the night cannot last long, dreams involve calamity, and the river of death holds terror... This is an era where even deities can fall, and even the sky can decay.Yang Qizhou obtained the 'Blasphemous Dark Crow' and, relying on the ability to restart fate, embarked on the path to become the 'Master of Blasphemy'.

It took a long time for Yu Qingjia to learn that she was the original heroine in a Mary Sue Novel, and the other party held the female supporting system in their hands, and She was gearing up to grab her opportunity.

Hehe…

Anyway, sooner or later, she’s going to die, so it’s better to live a more comfortable life. Yu Qingjia completely let herself go, relying on her status as a legitimate daughter, she played her life against her father’s new beautiful concubine. This little concubine is not a good stubble either, as they come and go, the relationship between the two of them becomes bigger and bigger. Later, she gradually realized that something was wrong.

Why is her formidable enemy a ‘man’?

He is also a wanted man of the royal family, the youngest son of the deposed prince, and a famous tyrant in the future!

The royal family of this dynasty has a secret. For example, although these royal men are all beautiful and good at fighting, they are bloodthirsty, paranoid, and cruel from their genes.

Murong Yan fell from the clouds into the dust when he was young, and even had to disguise himself as a woman to avoid spies in the backyard of his followers. After great changes, the tyrannical element in his body could hardly be controlled until he met Yu Qingjia, his nominal “daughter”. In his restless and dark world, the sun suddenly radiated in.

- Description from Novelupdates

Song Cheng transmigrated and became a blind errand boy in a medicine shop in a remote town.Fortunately, after he found a wife who did not disdain him, his “Golden Finger” also followed.Demons and ghosts roamed the Chaotic World, Profound Techniques went with Occult Sciences, Divine Weapons dazzled the cosmos, the Yin and Yang were inexhaustible.Song Cheng did not seek to dominate as a king, he simply wished to live his life well....This is the story of a person with Longevity, who walked through long years and witnessed innumerable Dynasties.