The Young Master in the Shadows - Chapter 361: THE JUSTICE RING

There was a turtle here,He was a bandit! A robber! A shameless scoundrel!Don't mess with him!

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.

After years in France completing his studies, Adrian Leclair returns home to claim his destiny-the future Alpha and CEO of Mega company, the empire built by his father. Bound by duty, Adrian has long been betrothed to Celeste, the elegant daughter of their allied family, a union arranged in childhood to strengthen both business and bloodline.But destiny shifts the moment his father introduces his new wife...and her son.Eighteen-year-old Ash Veylin carries a quiet fire that unsettles Adrian in ways he cannot explain. His scent awakens something primal, something dangerous, within him-a pull far stronger than duty or tradition. Suddenly, the alliance that once seemed unshakable begins to fracture under the weight of instinct and desire.Now Adrian must choose: honor the path carved for him since birth, or risk everything for a bond that could destroy his father's empire...and ignite his own.

Read at least six chapters, then prepare to crave the rest.The main character will show up in Chapter Five, though I don't recommend skipping the first four chapters.-----The world was celebrating. The Demon King was dead, along with his Darkness Generals.Humans led the other races to war for subjugation. They killed all, and none were spared. However, thousands of years before this happened, a piece of history was altered by time itself. In fact, the Demon King didn't have four generals but only one, which he sealed and sent into eternal slumber. Just as he started to close his eyes, the chains locked away for eternity shattered into pieces.