King's Rule: Creating the Strongest Kingdom With My Broken Talent - Chapter 29: Realm of Klimonta

A strange store which sells everything suddenly appears in the town. The Owner of the store is a young man and anyone who tried to mess with him %$#@.

The products of the store are expensive, yet the queue outside the store never stops.

“So what, If you're an emperor. I'll fight to the death with you if you try to break the queue.”

At her cousin's birthday party, she was schemed to have a relationship with her cousin's fiancé, becoming the most shameless woman among rich families, and therefore married to that man, the most influential big shot in the city.After marriage, the wholehearted love only brings endless humiliation and disgust.Later, her cousin returned. He threw out the divorce agreement, saying, “Give Mrs. Leng's position back to her.” He even took their child and gave it to her cousion who was unable to bear children.She finally became disheartened and fled far away with their child, completely disappearing from his world.On his wedding day, he suddenly learned the truth and realized that his white moonlight had always been her, not her cousin.“If love is an isolated island, I'm willing to settle there for you forever.”

Cosplayer Liu Mang accidentally crosses through time and arrived at the Eastern Han Dynasty wearing Aries Gold Cloth. (Saint Seiya!) He arrived on top of the walls of XiaPi right when it was about to fall to Cao Cao.

“Don’t kill me bro; I’m not working for boss Cao!”

“Hey! You’re slashing the wrong person! Boss Lu’s underlings are there! Not me!”

He accidentally saved Lu Bu who was tied up by Song Xian. He accidentally became the son in law of Lu Bu. He accidentally changed the history of the Three Kingdoms period.

When aluminum casted Gold Cloths are worn by generals like Zhang Liao and Gao Shun during the Eastern Han Dynasty, glistering on their bodies… When the soldiers in the camps are sporting mechanical crossbows… When crossbreeding of rice plants appeared on Lu Bu’s territory…

Liu Mang knows that a world belonging to Lu is coming.

- Description from Novelupdates

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.