My Trillion-Dollar Assets is Exposed by My Wife's Bragging! - Chapter 24 - Trivial matters at home are the most emotional-consuming ones.

Ye Family goes bankrupt, and her fiancé's family watches coldly.Ye Li signs a contract and marries her fiancé's uncle in a flash marriage.After marriage, Ye Li is determined to repay the debt of one hundred million with interest, hoping to give Fu Yanci freedom so he can be with his true love.When it reaches 5 million, Fu Yanci gets upset.At 50 million, Fu Yanci leaves home for three days.When finally paying off the full one hundred million, Ye Li is cornered by the man: 'Divorce, huh? Sure!!! The family property is yours, and so am I! I'll follow you everywhere!'Ye Li: ......

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.

She is the Crown Prince’s fiancee, but on the night of their wedding, an edict was made and she was given off to marry the crippled and paralyzed God of War.

The romantic comedy light novel series centers on the gaming lives of various high school students who play video games, including: Keita Amano, a lonely young man who loves video games; Karen Tendō, the beautiful president of the video game club; Chiaki Hoshinomori, who constantly fights with Keita; and Tasuku Uehara, who puts on a facade of being satisfied with his life in the real world, but he in truth loves video games.