MTL - Secret Love - Chapter 63

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.

Raul reincarnated in an otome game, but he is not helpless.He is one of the most powerful entities in this world.---In this world, there’s no clear line between good and evil. You won’t see meaningless “training arcs” here; what you’ll find instead is narrative and reflection — sometimes filled with dark humor, other times echoing the devilish folklore of old European myths.-come to our Discord channel:https://discord.gg/A3xT3vgEbe part of our community

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates

Everyone believes Lin Zhao Xi’s a genius.

Only she knows she’s looking back on years of experience in math competitions as a basis to “cheat”.

Until one day, her idol quietly looks at her.

* * *

Time and space overlap, returning thrice.

— The past can change you.

- Description from Novelupdates