The Wronged Heiress Reborn For Her Crown - Chapter 593: Notification

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.

The only way to stop the earth’s doom.Is to seduce the girl who is the student council president.

Xu Zheyi is a 30 year old actor. Abandoned by his friend after co-signing a loan, he was burdened with a massive debt. Without any foreseeable way out, he was reduced to acting in a gay AV in order to make enough money and pay off the debt.

Ruka is a twenty-some year old popular AV actor. He lost a bet when he was drunk and had to act in a gay AV.

The two men cross paths during filming. Be prepared for a sweet, funny, sexy ride!