Rebirth: The Time-locked Girl - Chapter 1084 - 1034: A Kiss Delayed by Three Centuries, Seeing Rong Shi

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.

Lin Fan acquired the Sign-in System that led him on the path of the life of a god-level nouveau riche.

Lucien is an exploited employee, with a miserable salary and a life marked by loneliness... as well as carrying a secret that beats within him: the mysterious Black Blood.One night, on his way home, he is attacked by vampires. What seemed like the end becomes the beginning of an unexpected destiny.Lucien wakes up as a vampire... And not just any one.Amidst intrigue, power, and an unexpected marriage to beautiful vampires, he will be drawn into the dangerous supernatural world.What Lucien never imagined was that this strange condition he detested so much would be the key to transforming him into the most feared... and powerful vampire of all time....So, about the NTR stuff. Netorare? Absolutely not. Netori? I'll leave that up to fate... Oh, I almost forgot, there will be no incest in this novel.

Laviore Bailey—the ‘fake saintess’ who banished the innocent princess and stirred up bad blood to wage war.

She’s the villainess with a façade of a saintess.

“I love you. So just shut your mouth and die. Okay?”

But the moment her trusted lover chose her as a sacrifice to the demon, and she realized her father was behind the plan, she killed herself by swallowing poison.

It hurt. It was so painful that she could not even scream. But it was fine. Because she knew this was not the end.

“I will save you this time.”

Then, she came back for her second life. She was determined to rescue those who were unlucky because of her and restored her life back.

“You do whatever you want for the man in your dream.”

Demian said with a rough smile.

“I’ll also protect you the way I want to.”