Will the Aloof Billionaire Divorce Today? - Chapter 305: What if I have to intervene?

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.

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.

In an alternate world, a demon disrupts dynasties, harvests souls, and refines a banner of ten thousand souls.Under the heavenly tribulation, his body and soul are destroyed, but the Ten Thousand Souls Banner protects his undying spirit. Unable to possess a body, he's countered instead.A laid-back young man in society, wielding the Ten Thousand Souls Banner, roams the human world.With the Ten Thousand Souls Banner in hand, I refine a Golden Core with good deeds.A slice-of-life story with no ambition for conquest, helping the departed fulfill their wishes, gaining merit to repair the Ten Thousand Souls Banner, and enjoying a laid-back life.

Gu Jiuyi accidentally time-traveled to ancient times, which was already quite inconvenient, but then she also encountered a great disaster. With no other choice and to survive, Gu Jiuyi had to cling tightly to the benefactor’s leg. Following her young benefactor, she fled the famine without panic. How to deal with disease, hunger, wild beasts, and evil people all at once? Bring it on, let’s showcase our ten all-around abilities, plus the system space, everything can be crushed (Xie Zhan: You can’t even cook properly, yet you claim to have ten all-around abilities? Where’s your face?). We can even lead everyone to prosperity and enjoy royal provisions.When Gu Jiuyi was enjoying the happiness of being a single wealthy lady, her young benefactor cornered her against the wall: Come with me to the palace, I’ll make you my consort.What the heck? I don’t want to engage in palace intrigues!