I am that male friend in the harem story - Chapter 222: Go all out!

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.

Resident Evil, natural disasters… Zombies, the ice age…

Through movies and video games, humans have been familiarized to these kinds of, “doomsdays.”

But nobody actually believes that any of those things would happen.

Though from childhood Su Lifeng was a person that could foresee disasters, he never thought that one day he would be foreseeing the end of the world:

In 100 days, the entire world would fall.

Humans would be near the point of extinction.

Su Lifeng took a large, deep breath upon awakening from this vision: “I need to bust a load to calm down…”

- Description from Novelupdates

Mu Yang was born again in 2008, in his prime, with a beautiful girlfriend on the left and a reading system on the right.

At LV1, for every 1000 words read, +1 yuan, +1 skill experience;

……

Mu Yang is helpless: I really don’t blame me, I just want to read quietly.

Single girl, focusing on physical industry, nostalgic writing, relaxing, making up for regrets, starting with this book.

- Description from novelbuddy

“Why is the thing you summon always so strange, can’t it be a little more normal?”

Lu Yu looked helplessly at the guy who was waving his tentacles in front of him.

“Who made me look up to see you every day…”

- Description from novelbuddy