Radiant Rebirth: The Ugly-Duckling Turned Out A Powerful Beauty - Chapter 24: The Counterattack III

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.

What if you could hack the strongest heroes and turn them into your devoted companions?Once feared as the Heavenly Demon, Zain stood above all—unstoppable, unrivaled, unchallenged.But his reign came to an end when so-called righteous cultivators banded together to eliminate him, believing they had purged the world of its greatest evil.Yet death was not the end.Reborn in a world dominated by heroes and champions of justice, Zain awakens a mysterious Hero Hack System—a power that doesn’t just defeat heroes but rewrites them.With a single command, he can shatter their convictions, twist their destinies, and rebuild them into something new.A ruthless warrior queen? Now a loyal blade at his side.An untouchable holy maiden? Now eager to obey.The strongest hero who once stood against him? Now kneeling before him, waiting for his command.With every hero he hacks, his harem of once-unshakable warriors grows. But as he reshapes this world to his will, one question remains—who gave him this system, and what price will he have to pay?They ended his reign once. This time, he’ll reign over them all.

Estaria, the Goddess of creation and eradication. The daughter of the God of destruction and the Goddess of life. Her father has been dead ever since she was born, and her mother disappeared without leaving a trace. In desperate times, as she grew old, she decided to bring her father back to life. But she had no idea where her father was. So, with nothing else to use, she thought of just recreating him through reincarnation. But the reincarnation process needed a woman whose body was strong enough to host the reincarnated vessel. With no options left, she crafted smaller deities using her own fresh and blood. Many of them failed. But one whom she named Nanako succeeded bearing a child she then named Hajime. Yet Hajime wasn't exactly what she expected. Because he possessed dual souls from two different people who died simultaneously in another world. But she was unaware of them due to one of the souls having fragments of his memories from when he was still alive in his past life. The other soul had completely forgotten everything, but bit by bit as the individual called Hajime journeys this new world, the memories of the other soul would start to retain giving him split personalities.

Power and desire, money and strength, conscience and responsibility, the road ahead is at a loss, as a time traveler, Simon, where will he go, this is a leading mainstream novel with a relaxed daily life and a slow pace

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