MTL - North American Detective: I Am Proficient In All Kinds of American IAI - Chapter 215 street shootout

Killing a person in ten steps will never stop a thousand miles away!

The evil leader broke through the barrier of time and space and became a descendant of Chinese medicine.

An era in which traditional Chinese medicine is in decline and ineffective.

Medicine is declining

Budo is fading

humanity is sinking

Under the surface of the peaceful world of singing and dancing, there is another treacherous and unfathomable world.

Experts can cure diseases, and national players can save people’s hearts.

- 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.

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 young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?