Immortality Cultivation: I Can increase My Stats Using Clansmen's Qi-Blood - Chapter 988 - 481 Take Action Annihilate the Jiang

A regular senior high school student accidentally obtained a Supernatural Ability System from three thousand years in the future. Lin Tian could exchange for all kinds of superpowers within the Supernatural Ability System. Exams? I have a photographic memory! You’re amazing? I transform into a Saiyan! An awesome life doesn’t need explanations!

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates

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.

Ever since an NPC named Shu ChunChun, who had been taken advantage of and used carelessly by the world-hoppers, awakened her consciousness, she knew that the only way to drive out the world-hoppers was to make them fall for her, HARD.

- Description from Novelupdates