Hell App (Web Novel CN) - Chapter 91: A Ghostly Face

With an unparalleled and exhilarating narrative, he is the nation’s lethal weapon, the soul-slaying god, annihilating all who offend the Yun nation.He is one of the Four Gods, the Hellish Evil God, undefeated and unmatched, with a name that echoes across the globe.Moreover, he is the inheritor of the Dragon Body, having slain two gods, the Flame Emperor and the Apollo God, inheriting their divine status, becoming an unyielding force that commands attention.He is Mu Chen, the Casanova for women, the nightmare for men, embarking on the ultimate urban passionate journey...

She is the slow-witted idiot of the Prime Minister’s Residence. Everyone bullies her. He is the most respected and unfeeling Prince, with frightening ability and absolute envy! Together, they are conferred an imperial edict of marriage.

'Did I reincarnate as the First Born son of a noble???'Jack was reincarnated as Jack Kaiser. Firstborn son of Alaric Kaiser, the strongest duke in Elysium. Born and destined for greatness. Or so they said.In a world ruled by Magic and Martial Arts, where talent determines everything, Jack's future seemed guaranteed.Until an unfortunate hunting trip left him in a 10-year coma.A system awakens within Jack. Granting quests and accelerated progression, Jack realizes he might have a chance to reclaim his destiny.In a world of dungeons, monsters, a political challenges, Jack will rise to his new title and become the Strongest Kaiser in history.

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.