Isn’t Being A Wicked Woman Much Better? - Chapter 84

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.

I thought the world was vast, for me to wander, but now, it has only become a cage. For a life unhindered, I wield a single sword to pierce the ninth heavens. People find me displeasing, but there’s nothing they can do. That’s the kind of life I love!“Stop! I paved this path and I planted these trees. If you want to pass through…”“Brother, I come from the Dustfallen sect.”“What? The Dustfallen sect! Piss off!”This pitiful sect was so poor to the point where even bandits did not want to waste time on it. However, how could this sect, these nine measly people, be ordinary? What you see is only what they wish for you to see. What you can’t see is the truth!Mu Yu—a young human boy with the powers of elemental demons—accidentally joins the impoverished Dustfallen sect. The sect that even bandits did not want to waste time on was actually hid great talents, concealing a huge secret! You look down on my sect? Then that’s your ignorance!

Alex is a cancer patient who dies very young.At the moment of his death, Lust is betrayed by the other deadly sins and is forced to give out a system to a mortal.He blessed Alex with the system and Alex wakes up in a world filled with unnaturally beautiful people, except they’re not people, they’re elves!And he is the finest elf of all!and not just that, but his fiery red eyes seem to make all the women hornyHe quickly goes ahead to sleep with as many beautiful elven women as he can.But too soon, he is introduced into a war that has been brewing for a while when an extremist group of elves decided they want him to be one of them.Follow this story to see how he fights the extremist group named Eclipse and to find out if he manages to win

Demons, devils, ghosts and monsters

Plunge the mortals weak in horrors;

Arms of gods and blades of devils,

Shroud the world in untold evils.

Lu Sheng was an ordinary civil servant in the modern world. After waking from a drunken stupor one day, he found himself trapped in a dangerous world where demons, ghosts and supernatural monsters terrorize the land.

In this world, ordinary mortals live in dark fear and helplessness, without any means to fight against the supernatural.

As Lu Sheng struggles desperately for survival, he stumbles upon a game mod he had designed for a mobile phone app in his previous life. It unexpectedly becomes his special ability, which enables him to instantly level up any skill he learns, albeit at a cost.

Thus, Lu Sheng begins his journey, striving for power beyond the reach of a mortal as he treads the way of the Devil…

- Description from Novelupdates