God of Death: Rise of the NPC Overlord - Chapter 33 - 34: A New Betrayal ( Mature Scene)

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.

Warning… Matured content!!“You,” Augustine began, his voice firm and direct. “I'm making you an offer: we get married, immediately. This isn't a request, it's a demand.” Augustine's uttered with a piercing gaze.Charles scoffed. “What type of bullshit is that?” He fired back.***Augustine Wales is a cold CEO who is known as the most successful and influential business man in Country H.His name alone commanded respect, his steely gaze and cold demeanor strike fear into even the most hardened of hearts. He was a man of few words, each syllable weighted with the power of his position.On the eve of Augustine Wales 29th birthday, he received an unexpected call from his family, their demands clear and uncompromising: find a spouse, or forfeit your stake in the family's vast wealth and influence.In that very moment after receiving the phone call, the gaze of Augustine fell upon a young man named Charles Donald and without thinking twice, Augustine immediately made a proposal to Charles, but was met with a swift rejection.Augustine's proposal was rooted in desperation but little did he know that fate was drawing him toward a future he never could have predicted.“What will happen when Augustine Wales, the powerful CEO, finds himself unexpectedly falling for Charles Donald, a humble cleaner in his office?”“When Charles' deadly secrets rise to the surface, will their fragile bond shatter, or will their love prove strong enough to weather the storm?”

What could be worse than getting married to a demon prince as a human princess for a forced truce?Being in a place surrounded by demons was like a nightmare to Aelin. Demons and humans have always despised each other after all. But things only go downhill, when her husband leaves her shortly after they spend a night together to go fight a war with unknown beings which leaves Aelin at the mercy of her enemies

In the Sky Sword Continent there are thousands of sects and strong cultivators as common as trees. In order to prevent his older sister from being forcefully married off, Lu Xuan had no choice to but to unceasingly cultivate and enter a sect to ask for a favor. By chance, a sword-shaped crystal of mysterious origins entered into Lu Xuan’s body, containing countless top-class martial skills, powerful martial arts, and everything you could wish for! A martial legend starts here…