Sign In To Become a God - Chapter 1: Wang Yi!

Though it felt a little awkward to be my good brother’s aunt, it was really exciting to find out how handsome and rich his uncle was.

- Description from Novelupdates

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.

An F-Class Hunter.

And on top of that, a F-class older brother who can’t even begin to catch up to the heels of his amazing S-class little brother.

After living a life that fell to pieces and even destroying my little brother’s life,I got another chance by regressing 5 years back. I picked up the resolution:
This time, instead of making those mistakes, I will quietly live my life leisurely .

Is what I thought… but the S-Ranks are all kind of… weird and for some reason I can’t seem to be able to get away at all?

There’s an ancient saying in Great Ruins, ‘Don’t go outside when it’s dark.’

In Great Ruins, the disabled elders of Disabled Elderly Village picked up an infant by the riverside and named him Qin Mu, raising him up with blood and sweat. This day, as the night descended and the darkness shrouded Great Ruins, Qin Mu left home…

Become a villain undulating in the spring breeze!

That’s what Blind told him.

This is the rise of Qin Mu’s road to becoming a villain!

- Description from novelupdates