MTL - I Became the Favorite of Big Bosses - Chapter 488 mental illness

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.

She transmigrated into a novel of showbiz, becoming a member of a popular boy band. The original character dressed as a man and passionately showed her love to the male lead, only to be killed tragically in the end.As the most beloved daughter possessing great beauty in a rich family, how could she sacrifice herself for just a man?Thus, she transformed herself, becoming incredibly handsome, attracting countless fans.Her teammates found she began to focus on the career rather than the male lead, attracting tens of millions of fans and winning numerous trophies.The original male lead felt her ignorance and instead, found her hovering around his big brother...“Hey, this is tea that I had someone bring from Suzhou for you to try.”“Hey, this is Fish I made myself. Would you like to have a taste?”As the brother of the male lead, he was a big tycoon in the story, supporting the band with countless resources. Naturally, she tried to please him to climb higher, but why did the expression in his eyes become increasingly strange...He watched the 'little guy' busy around him, his eyes deep and secretive, suddenly pulling her into his embrace.She freaked out,“What are you doing?””The dish isn't tasty. I want to taste you.“”But I'm a man!“”Got it.“”No! Actually, I lied to you. I'm a woman!“”I've been lying to you too.“

Ye Song, who once lived in a technologically-advanced world, died and reincarnated into a noble teenager’s body in another world.

A fantasy world filled with magic!

A series of events filled with tragedy, action, etc. began to unfold one after the other when he fatefully encountered one of the most guarded secrets of this world, obtaining the legendary power of Wizards.

Watch how he reaches unreachable heights as a powerful Wizard in this new world.

- Description from Novelupdates

One moment, Lucas closed his eyes to sleep. The next, he opened them to find himself not in his bedroom, but in a courtroom.Even more startling, he was in a different body.Lucas was confused, but there was no time to dwell on it.Why?Because....“Your Honour, please sentence him to death!”the prosecutor demanded, looking directly at Lucas, who was seated on the judge's bench.'It seems I have become a judge.' Lucas realized.