Rebirth From Ordinary Person To The Strongest - Chapter 54: The Arrival of Noob

Kazuki’s life was painfully average—just another cog in the nine-to-five grind. His only escape? Binge-reading novels and no-lifing video games.Then he woke up inside one of those novels.Armed with unstable morals, unhinged humor, and a penchant for pettiness, Kazuki is determined to survive, thrive, and maybe cause a little chaos along the way.The world has no idea what’s coming.

Extras die every day in various ways in the game [Yo-Ma Great War 3].

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.

Becoming the physician of the villainess who brought about the world’s destruction, I tried to escape to survive, but the reactions were strange. ______________________________________________ “The Doctor Cured the Villainess and Ran Away” is a Korean web novel authored by 긘가 (Geun-ga). The story follows a protagonist who becomes the personal physician to a villainess responsible for multiple world destructions. After curing her, he attempts to escape, leading to unexpected reactions. The novel was first serialized on October 5, 2023, on the platform Novelpia. It gained recognition by receiving an honorable mention in the 2023 Novelpia Universe's Strongest Web Novel Contest. Readers have praised the novel for its engaging narrative and well-developed characters. A review on Naver Blog highlights the protagonist's repeated attempts to prevent the world's destruction and his complex relationship with the villainess, emphasizing the story's depth and emotional resonance. The novel is available for reading on platforms like Novelpia and has been published as an eBook on Kyobo Book Centre. In summary, “The Doctor Cured the Villainess and Ran Away” offers a compelling blend of fantasy and romance, exploring themes of redemption and the complexities of human relationships.