MTL - I’m an Olympic Superstar - v2 Chapter 686 Amazing woman

A master assassin transmigrates into an interstellar era.

Other players were responsible for competing in the e-sports arena, while he was responsible for stringing up and beating up the other players.

His sword was hidden during the peak of day, and he was a gentleman who arrived in a flash of light;
As a vanguard of the eternal night, he was the variable between life and death in the world.

“As you know, the Star League’s difficulty levels are arranged in this way:
Paradise < Simple < Normal < Difficult < Nightmare < Hell < [Tyron Odin]”

- Description from Novelupdates

Village woman Su Xiumei, “Fei, sister is ill, come help sister with a treatment!”Lin Fei gave a wicked smile, “Xiu Mei sister, don't lock your door tonight, I'll come give you a shot and you'll be fine!”Su Xiumei, “You little rascal, you're really naughty!”

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.

After suffering from a heat stroke while working under the scorching heat of summer, Lu Zhou, a hardworking but poor university student, somehow becomes the owner of an advanced technological system. With the cheat given by the system, his university life changes overnight.

A Master’s degree? Easy.

PhD? Not a problem.

From a nobody, he quickly becomes a huge celebrity in the world of science. With the missions given by the system, he is on his way to winning a Nobel Prize.

“System, can points be exchanged for money?”

“No.”

“F**k, what use are you then!?”

“This system will make you the ultimate scholar, the kind that lords over all of humanity. What use will money be to you?”

- Description from Novelupdates