After Giving Birth, All My Beast Ex-Husbands Suddenly Want Me Back - Chapter 49: Spirit pearl

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.

Cheng Ling, the descendant of modern martial arts, traveled to the ancient times of war, and took his family to escape from the famine, farming, practicing medicine, and doing business…

Working hard for tomorrow, only to get a place to live in this strange era after the world is stable, to stand up with dignity, instead of kneeling and begging for life.

But who knew that disguising as a man was so successful that the new dynasty left her good name everywhere.

Young Master Hou’s Mansion: Young Master Cheng is very talented, and what he said casually was the rule of the world. I must recommend him to the prince.

Guozijian sacrifice wine: Cheng Xiaoyou has a splendid beauty in his chest, and the day when the imperial examination resumes, it must be the time when he will become famous. If he can’t win the top spot, the old man will slam into a pillar to tell the sky.

Miss Xiangfu: Cheng Shenyi is a prodigy, but he has a noble character and is not interested in fame and fortune. I respect him and love him, even if I have no relationship with him, I should ask the prince’s cousin to give him a birth.

Ten Miles of Spring Breeze Hua Kui Lady: Except for the three feet of snow on your body, who in the world is matched with white clothes? In that court, were they okay with you?

With a sigh, only remote mail.

…

And the prince, who was always mentioned in passing, intentionally or unintentionally, had already quietly raised his chin.

Prince: My brother, my confidant, what do you say?

Cheng Ling:  …

- Description from novelbuddy

A genius programmer creates the perfect AI girlfriend—only for her to become terrifyingly possessive. When an apocalyptic event threatens the world, she eliminates any woman who tries to recruit him to the cause. But when the villainess of the apocalypse takes an interest in him, will his AI love protect or destroy him?

Jiang Chen accidentally traveled through and started his comprehensive journey.

The world is tentatively scheduled: Naruto – Attack on Titan – Blade of Demon Slayer – Sword Art Online – Detective Conan, etc.

————

In the Naruto world, Jiang Chen obtained the apprenticeship ten thousand times return system, as long as he taught his apprentices, he could get a correspondingly high return reward.

As a reward, Jiang Chen taught Hinata the black coffin he brought from the world of the god of death to Hinata.

During the Chunin Exam,

Neji: “Abstain, Hinata, you are not fit to be a ninja.”

Hinata: “I don’t want to run away, Brother Neji, let’s have a showdown! The turbid coat of arms is faintly revealing, and the unruly and arrogant talent… The Ninety of Destruction: The Black Coffin!! !”

Everyone: “You call your brother on the lips, but you actually kill him. This girl is too scary!”

(The introduction is weak, please move to the text~)

- Description from novelbuddy