Nanomancer Reborn - I've Become A Snow Girl? - Chapter 1207 - Truth Of The Radiant Knights

In an era when the power of Fire Magic was considered to have reached its limit, one girl began researching nuclear fusion.

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

Their nature is certainly not ordinary. So when these kind of people do not die as extraordinary people, their hearts will have some lingering wishes.

Souls with lingerings wishes in their hearts, just one bowl of soup from Meng Po isn’t enough to let them forget past events. Souls that aren’t pure enough can’t go through reincarnation.

Therefore, they need –

Hello, this the underworld’s department of purifying souls, serial number 666 Lu Heng (MC) is at your disposal. Our service obejctive is: fulfilling your wish to die importantly, additionally, never being OOC!

Lu Heng: Left the name in the annals, this evaluations grade will be for sure S+!

Section Chief: Lu Heng, why did you break apart the CP again!! I am deducting your salary! Deducting, deducting, deducting!!!!

Lu Heng: Leader, this is really not my fault!!! QAQ

Mysterious Person: *rubs Lu Heng’s head*

- Description from Novelupdates

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

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.