I will marry you in a thousand years. - Chapter 23: Yiyi Becomes Haozhen’s Girlfriend (l)

A black pearl brought Jiang Feng from a doomsday stage where top masters with one emperor, two emperors, three emperors, four deities, and seven peerless cities show off their glory to parallel time and space, and this time and space-the end of the world has not yet opened! !! Under the sky, the youth look up, if I have strength, can I get through … these two time and space! !!

- Description from 69shu

[[MATURE AND DISTURBING CONTENT, R18+!!]]In a mysterious and mesmerizing tale, Charlotte, a young fair lady with a passion for art, is thrust into the world of intrigue and danger on her 18th birthday. After making a daring escape from her family's sprawling mansion, she finds herself at the mercy of the notorious Madame Dorothea, who offers her freedom in exchange for her aid in a mysterious case.Together with the mysterious noble woman, Charlotte must unravel the secrets buried in the grim and mysterious case of the Calestinia family by the request of the countess in exchange for her desired freedom.[Read the story to find out what happened.]Content/Trigger Warning: This story contains violence, heinous crime, swear words, and other disturbing scenes. Please be guided that the author had already warned you.Advertisement: This is a work of fiction. Names, characters, places, laws and incidents either are products of the author's imagination or are used fictitiously. Any resemblance to actual events or locales or persons, living or dead, is entirely coincidental.ALSO AVAILABLE ON: Wattpad [[AWARDED AS THE AMBY AWARDS QUALIFIER]]Wattpad Username: Signora Dmitrei

When the eldest prince Luo Fei reached 18 years old, the database automatically screened the genes of omegas across the entire empire for matching. The only son of a wealthy businessman, Mo Lin, had a gene match of more than 90% with the eldest prince. However, the moment he saw Mo Lin, Luo Fei learned that this omega is a sick child with paralyzed legs, hemiplegia, and severe mental illness???

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.