Surviving the Apocalypse With My Yandere Ex-Girlfriend - Chapter 45: Point of no return

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.

Ha Si-heon is a brilliant but obsessive Wall Street financier who has built an immense fortune driven by a fear of financial insecurity. After enduring a tragic childhood, losing his mother, and navigating financial ruin with his father during South Korea’s 1997 financial crisis, Si-heon immigrates to the U.S. He fulfills his father’s wish by becoming a doctor but finds himself drawn to the lucrative world of Wall Street.At a top hedge fund, Si-heon leverages his medical expertise to dominate biotech investments, thanks to an unusual ability to predict successful FDA drug approvals. He amasses wealth quickly, yet struggles with a pathological fear of spending money. His relentless pursuit of profit takes a dark turn when he’s diagnosed with idiopathic multicentric Castleman’s disease (iMCD), a rare, life-threatening immune disorder with no cure. His condition worsens despite aggressive chemotherapy, as the lack of research funding for this “orphan disease” leaves him without options.Just as Si-heon faces death, he miraculously awakens to find himself transported 10 years back in time, to the beginning of his career on Wall Street. Realizing he has a second chance, Si-heon is determined to not only reclaim his wealth but also amass enough money to fund a cure for iMCD. The story explores themes of greed, ambition, mortality, and redemption, as Si-heon seeks not just to survive but to redefine the meaning of his life.

Pei Jiu picked up a girl by the riverside. He settled her on the mountain, and planned to send her back once she recovered. This delicate girl was a useless crybaby, so Pei Jiu had to be a nice person. He cooked her food and washed her clothes. He let the troublesome girl ride on his shoulders so she could pick fruits. During winter, he would warm up the bed for her. One day, she hugged Pei Jiu’s arm with a smile. “Big Brother Pei, you’re really an honest and a good man. I will marry you and give birth to your babies!”

Pei Jiu eyed her critically and scathingly enumerated her shortcomings. She was ignorant and spoiled. She only knew how to pester and flirt with people all day long. Give birth to babies? Go ahead, give birth to caterpillars.

The delicate girl bawled so hard that she passed out. The next day, Pei Jiu returned to his mansion and told his servants to prepare for his wedding ceremony. When he returned to the mountain in the evening, Pei Jiu opened the door as usual, but he found that the cheeky girl had disappeared. He searched the whole mountain for her to no avail. No one would act like a spoiled brat in front of him anymore. What a headache.

Note : 娇 (jiāo) : tender/delicate/pampered/spoiled

- Description from Novelupdates

In Lv Bai's world, everyone could be picked and transported to the death battle realm, where one can draw special abilities to win the battle.However, Lv's ability pool is somehow different from that of others.[Unexpected Windfall (Gold): Immediately gain currency equivalent to ten million purchasing power in the current world.][Super-speed Regeneration (Gold): Provides extremely strong cellular level self-healing.][Strong King (Gold): Current strength doubles.]