Demon Hunter (Teramachi Akeho) - Chapter 98

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 world has changed into something like a game.

It resembles a survival virtual reality game where people were attacked by zombies and monsters.

And I was the last user of that game.

One day, a ghost possessed me.

The younger brother donated his kidney to his older brother and chose death over living with only one kidney.

A high school girl tried acting in front of her father.

A Korean military police officer from the Japanese colonial period belatedly tried to protect his country.

A con artist attempted to steal his partner’s heart but ended up losing his own.

I could vividly portray their lives.

Their experiences were akin to a theatrical performance, almost theatrical.

Jannah is a Countess in the Starlian Kingdom. She's known for her achievements in the battlefield, mercilessly ending her enemies and protecting her people.All for the peace and glory of the kingdom.“Run! They're swarming all over the place!”“Just leave! I already got bitten...!”“I can't leave without you!”However, all the blood sheds in the battlefield became useless when an outbreak befell the kingdom.Doom and betrayal hang in the air, following her like the plague.The apocalypse forced her to shed blood once again, under the guise of protecting her loved ones.Although, something happened that wasn't supposed to happen on her second run in life.[Initializing.....][System activated!][System scanning player's status...][Please enter your name:_____]“What is this thing in front of me? This thing didn't appear in my first life!”With chaos going around her, Jannah started her journey with a newfound thing called “system” to protect her people from the zombies.If you're not a fan of the list below then please click away.— Turtle progression.— Gore.— Same-sex relationships.— Questionable life choices (by MC).