The Arrogant Heroine Was Too Overbearing, So I Immediately Switched Sides to Become the Traitor - Chapter 39 - The Eternal City

A little ruffian who fought recklessly without any morals and bottomline accidentally time-traveled to parallel space and became a Key Case Investigation Team agent. The huge change in identity had him creating chaos in the police station. However, a strange miracle system helped him repeatedly solve mysterious cases, turning him into an impudent ruffian detective!

Extras die every day in various ways in the game [Yo-Ma Great War 3].

An intoxicated An Xiaoyu boldly places her hands on her hips: “Hey, handsome, this girl is here to rob you. This road is opened by me, this tree is planted by me, if you want to cross, leave some toll money!”The man approaches aggressively, trapping An Xiaoyu against the wall with no escape.He whispers in her ear: “Money, I have none. How about offering yourself instead?”An Xiaoyu is completely dumbfounded.She just accidentally robbed the wrong person, and now he's haunting her?What? He wants her to take responsibility?“Handsome, a forced melon is not sweet!”“No worries, I like bitter melons!”“You, shameless!”“Can't have a wife with too much pride!”“……”An Xiaoyu: “God, please let me go!”Ahem, 1v1 sweet romance + love over time, guaranteed to make you laugh until you have abs!

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.