MTL - Spirit Hotel - Chapter 70 Adventure (below)

When he was categorised as an Omega at the age of 13, Rong Yi made a tiny little wish. In the future, he wanted to fall in love with a tall, handsome and elegant Alpha whom he could share a romantic love with, then build a blissful family with him and give birth to many cute babies together.

A few years later, he grew into a tall, handsome and elegant Omega and was passionately pursued by countless admirers of the same gender, while all Alphas backed away from him in face of his superiority.

This was not the life he wanted.

- Description from Novelupdates

Journey through a Sim World for All.

Every young person is given a chance to simulate reincarnation when they come of age.

Only by breaking the limits of life can one have the opportunity to become a permanent reincarnator who controls everything.

If it fails.

In this life, I can only be an ordinary person praying for blessings.

Countless candidates are trembling, not daring to make the slightest mistake at the beginning of the simulation.

And after Li Yueming entered the reincarnation world.

Discovered that your random talent can be multiplied by a hundred times?

[Your blue talent ‘Aura’ has been transformed into a golden talent ‘Infinite Deduction’ after a hundred-fold increase]

[Unlimited deduction (golden): You can deduce based on known information, the accuracy rate is as high as 100%! 】

With the emergence of full-level talents one after another.

Li Yueming suddenly discovered that this is the reincarnation world known as the difficulty of hell?

Questionnaire or something, next time I will fill it out very simple!

- Description from novelbuddy

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 Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates