MTL - Heroic Wife Reborn - Chapter 1445 instructor said, I am a small master.

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.

Lucas, a human transmigrated from Earth to a fantasy world, strives to live a peaceful life with his sister despite lacking special abilities or cheats. However, the world's cruelty shatters his tranquility when his beautiful sister is taken from him, and he is framed for her death. Devastated and powerless, Lucas is forced to flee.During his escape, Lucas grows stronger, eventually earning the feared title of the Demon God. Despite lacking inherent talent or cheats, his relentless pursuit of knowledge allows him to uncover his enemies' weaknesses, leading him to victory time and again.One fateful day, while praying for his sister, Lucas falls into a trap and is killed. His enemies have used his sister's memory against him, igniting a fury within Lucas as he dies, his final regret being his inability to save her. In his last moments, he wishes for a second chance to act first and protect his sister.[System Notification: Host has died a second time][Cheat Activation Sequence Initiated][Cheat Activated: Divine Mask - God Clone System Online]

Wang Xiao was compelled to descend from the mountain by his master, with his intrinsic energy cloistered, and a lovely woman erroneously believing him to be her betrothed. In a bid to safeguard his mistakenly assigned fiancée, he resolved to remain in the school teeming with enchanting beauties. With the same intent to defend his intended, he managed to transform the currents of power within the city.

Heavy rain poured down from above the dark clouds up in the night sky, filling the sky with droplets that splatter on the muddy ground of a narrow road. Thunder and purple lightning roar resounded over the clouds.

This was a night that would forever be remembered.

Bernard was a poor young man with a dream just like any normal human would have, he wanted to survive and make ends meet.

However, he was rendered hopeless when he realized just his certificates and hard work alone, wouldn't be enough to climb up the ladder in the society, he needed connections as well.

Putting his frustrations aside, Bernard decided to work harder, however on his way home something that would forever change his life happened.

Bernard was bitten by a strange Cat in his dark room and entered a strange world...the Symbiote world, with this strange twist of fate, Bernard soon realized the hope to fulfill his dream was rekindled once again.

[Daily Quest: 'Meow Meow five times]