Kazekage Ninja: The Rise of the Hidden Sand - Chapter 266: Kazekage Ninja- - 55: This Isn’t Iron Ore—It’s Straight-Up Crap!

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.

[A Naruto “OC-SI” Fan Fiction]Make the best of what you have, they said... But what I am supposed to do when the best I have are red-eyed freaks, a child who's supposed to be the jailor of the most dangerous being in the world, a snake creep with serious boundary issues, and a whole world of super soldiers with licences to murder.And you know the best part? None of them like me so much...Oh shut it, old man! Take that Will of Fire and shove it up your—Yeah, this second swing at life isn't panning out...---------------------------------------------------------------What to expect:- Gradual strength progression. Meaningful growth. The MC is a normal guy dumped into the Narutoverse, starts out weak and has to work and struggle for everything he gains.- “Slow” paced. My writing style is a zoomed-in look camera that follows the protagonist. It might seem slow, but I ensure something is always happening to progress the plot forward.- Gritty and often bloody fights and actions scenes with a focus on taijutsu—you'll see individual combat, team fights, and large-scale battle.- A different take on the Narutoverse. The world is full of superhuman mercenaries with liscenes-to-kill—that along with the protagonist's struggles paint the world in a much darker light.- Additions and expansion to the “chakra” power system. I consider myself a conservative when it comes to adapting the power system—and aim to retain the original feel while highlighting the best parts.- The Outsider's Resolve version of Narutoverse uses the [Naruto Manga] as the base—with additions from anime, books, and even Boruto (though very less likely).

Greg watched his world come to an end under the hands of the enemies supported by his fellow species. while blaming himself for not starting the game early or not investing into, or for awakening a trash talent he close his eyes and embraced dead but that was not the end of his story as he regressed to ten years prior to the unfortunate event. with knowledge of the future and determination he buys a gaming helmet and plunged into the game- Apocalypse that signalled the start of something more. with his knowledge of the future, his skills that made him shine even with his trashy talent and the awakening of an ex rank talent, 100% Dodge rate that makes attacking him impossible, read Greg's revenge and rise to the top protecting those he cares about while punishing his enemies

After death, Gu Jin realized the child, whom she had fed only once in the past, was the only person who gave her proper burial and avenged her by any means. Once she’s reborn, she found him when he was being bullied. And despite objections, Gu Jin took this malnourished child under her care with help from the dimension in her possession. However, never did she expect she would lead him astray...Many years later, Gu Jin can’t help gritting her teeth as she is watching the elegant and handsome man on TV. He has grown up to be a successful and powerful businessman who is outwardly kind but inwardly ruthless. Most unexpectedly, he has turned into a man who is domineering and protective of her.