I Become a Big Shot in Showbiz - Chapter 144 - Incredibly Satisfied

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.

[Dimensional Magic Cube's Instructions][1. The Dimensional Magic Cube can automatically absorb the energy that exists in the dimension. Once a month, it can randomly open a dimensional channel and perform dimensional travel.][2. The Dimensional Magic Cube has the ability to convert various powers from different dimensions, ready to be activated and used at any time.][3. There is a storage space inside the Dimensional Magic Cube, which can be opened and used at any time.][4. ...]This is the story of a man who once couldn't choose his own future but vowed to live for himself in this new life.Carrying the Dimensional Magic Cube, Riezel arrived in the world of swords and magic and wandered through different worlds, hoping to find a new beginning.===In a nutshell, a story about a man from Earth who got transmigrated into a fantasy world (original world that act as the main world) and has the ability to travel to various anime worlds to become stronger.Visited Worlds:1. Danmachi (Is It Wrong to Try to Pick Up Girls in a Dungeon?)2. Demon Slayer (Kimetsu no Yaiba)3. ...

An accident gave Ye Han a magical ability to see through. Since then, his life has become rich and colorful. He has developed the strongest business empire, dominated the gambling world, and rejuvenated his medical skills. He has become a master of medicine and Taoism. The goddesses rushed towards him one after another. As a man, and a limited edition man, Ye Han was under a lot of pressure and had to go on an exploration with a few tomb robbers. However, a shocking secret from ancient times to the present gradually emerged. in front of him!

- Description from novelbuddy

Aki, a physical education teacher, was left with no use for her body due to misunderstandings with her husband.One day, she has an immoral relationship with a loose student.Her female body, craving a man, enjoys endless rendezvous with him, and eventually falls to a place of no return.