Pantheon Online - Chapter 5 - Nine Realms

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.

Feng Ruqing was a spoiled princess with a hideous countenance in Liu Yun Kingdom. She used to ride roughshod over anyone who stood in her way, backed by her father the emperor who loved her with all his heart.

Not only did she force the chancellor's son to marry her by breaking the existing loving couple up, but her mother-in-law had also passed out from rage because of her. In the end, she took her own life after the heartbreak and humiliation of being dumped.

When she opened her eyes again, she was no longer the bratty princess who was a good-for-nothing.

* * *

Rumor has it that spirit beasts have become servants in princess’ manor and the princess is devouring precious spirit herb dishes every day.

Rumor has it that the chancellor’s son who pleaded for reconciliation after divorcing the princess was thrown out of the princess’s manor.

Rumor has it that some good-looking young masters went to the princess’s manor in hope of being her servants were nearly killed by the state preceptor.

Rumor has it that the charming state preceptor was looking for the princess eagerly as he wanted to hold her responsible for sleeping with him.

014, a slave mercenary yearning for freedom, awakens inside the body of Sidius, a talentless boy in a realm where power reigns supreme.To save his ailing sister, he decides to sell a book inherited from his parents, unaware of its true significance. Upon touching the book, a system fuses with him and flooded him with memories of a hero.“You helped me big time system but, I really don't want to play the hero.”“I prefer playing in shadows.”Unbeknownst to him, the real manipulative being in the shadows was using him as a pawn in a grand scheme.Follow Sidius as he unravels mysteries about the universe and his identity, with a single purpose—to defy his predetermined destiny.

Magic. It is a product of neither legends nor fairy tales, but instead has become a technology of reality since a time unknown to people. Supernatural power became a technology systematized through magic, while magic became a technical skill. A “Supernatural Power User” became a “Magic Technician”. Magic Technicians (in short, Magicians) are nurtured through Magic High Schools and Universities. This is a story about: A defective elder brother and low achiever. A perfect, flawless younger sister and high achiever. After both siblings entered a Magic High School, The stage of daily turbulence was unveiled —.