The Mage of Eternity - Chapter 53 - : The Princess...Is Dead!

The word defeat did not exist for Wei Congying in his relationships.

But the biggest joke was after the prodigal son returned and realized he was someone else’s stand-in.

Three years after breaking up, while sitting in a fast food place in the Isle of Mann, he saw her and discovered an something even more laughable…

He was still in love with this heartless person.

- Description from Novelupdates

of the family. He had to care for his grandparents in place of his father, show respect to his uncles, maintain brotherly love...In this life, he only wanted to breat free from these bloodsuckers, find a sugar “daddy”, and by the way, nourish his stomach.*****Song Jiawen felt something was weird. That guy from next door—who had to return to the countryside to study because his father was imprisoned—suddenly switched from literature to science and joined her class, and even moved to the seat behind her. Ostensibly, he did it so she could tutor him in physics and biology, but why did she always feel like he had an ulterior motive?*****Years later, as Jiang Yan watched the soup simmering in the pot while soothing his son in his arms, he glanced back at his wife, who was leisurely watching TV on the sofa with her legs crossed, and thought miserably, this meal ticket he had married into was proving to be quite a struggle!

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.

Blue Star has entered the extraordinary era, everything is evolving, and monsters are rampant.

Humans awaken their star souls in evolution to fight against raging monsters.

Zhou Xuan, who was doing odd jobs in the Demon Town Tower, accidentally awakened to an unscientific sign-in system.

Sign in on the ancient desolate beast and gain the power of the wild. Sign in on the weed spirit, and the star soul evolves into the nine-leaf sword grass.

The thousand-year black turtle, the ten thousand-year sea king, the immortal true phoenix, and the sky-swallowing dragon have all become the targets of his registration.

There are countless monsters in the Demon Suppressing Tower, Zhou Xuan signed in silently, and if he was not careful, he would be invincible.