Harem Stealing System - Chapter 21 : Forced Date

When the last prodigy level esper on Earth disappeared, Earth was in deep trouble of becoming another species’ colony. The ordinary Han, with his intelligence and hardworking character, was able to make a fortune after “accidentally” stepping into the world of dark net, later purchasing an esper power crystal that brought him the ultimate power that changed the fate of the universe.

When he woke up, Ji Que traveled to a dangerous world where fairy mountains collapsed and temples were abandoned.

Fortunately, he has a supernatural ability, which allows him to save his understanding and use it like banknotes.

The more understanding you accumulate, the more miraculous you can realize.

Comprehend “swimming”, you can swim as fast as a fish in the water, and you can swim up and fly on the ground.

After comprehending “The Analects of Confucius”, the knowledge will be integrated, and the muscle strength will increase exponentially.

After comprehending “The Book of Benevolence”, I have learned one more combat technique of “dividing people into two”!

After comprehending “Yi Xue”, I accidentally mastered a skill of “smashing the head into the body cavity”!

Comprehend “Xiaoyaoyou”, “Mozi”, “Taoist Tibetan”…

Afterwards, Ji Que started holding back his big move, wanting to see what effect it would have if his comprehension reached its limit.

Until one day, he couldn’t bear it any longer, and he kept wishing for a certain stir-fried dish that he had always wanted, so he used all his understanding on “stir-frying and tossing spoons”.

Later, there were rumors in the rivers and lakes that not long after a terrifying plague god came to the world, he was thrown to death by a passing cook…

- Description from novelbuddy

Collapsed without warning, and upon awakening, he found himself back in his childhood.He thought it was a blessing from above, but unexpectedly, tumultuous changes ensued, shrouded in mystery...

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.