DxD: I know…I'm not the real one,just a cheap copy. but...I'd win - Chapter 57 - 56: Chiron (2)

One day, Su Qi suddenly discovers he has a peculiar ability: he can see Easter eggs hidden in the world around him.These aren’t just bits of extra information; by performing specific actions, he can unlock hidden rewards.While everyone else is fleeing in terror from a vengeful female ghost, Su Qi is already setting the table for a candlelit dinner, chatting amiably with her.[You acquire her husband's hat, a mysterious artifact that, when thrown, locks onto enemies and delivers a devastating mental shock.]When zombies overrun the streets, and survivors scramble for axes and kitchen knives, Su Qi confidently strides in, wielding a sound system in one hand and a heavy-duty machine gun in the other, casually clearing out the neighborhood.[No one can defeat me in my BGM.]This is the Abyss—the birthplace of despair and decay, where worlds crumble under fear and madness.This is also a paradise where countless seekers pursue the footsteps of gods.Myths of the past and epics of the future are written here in grand and tragic splendor.Until Su Qi shows up.With a mop soaked in the blood of a recently stunned god, Su Qi scrawls a few bold words onto the epic tale:“The Abyssal Garden: No Room for the Idle.”

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.

He approached her and announced domineeringly, “Ten million, you're mine!” Little did he know that she would smash his head and flee in panic! Five years later, for the sake of her young son, she endured humiliation and became his wife, always on guard around him, “Get out, what are you doing coming in?” His handsome face darkened, “Woman, you couldn't have forgotten that we are husband and wife, could you?”

Travel through the world of Naruto, activate the god-level forging system, and a super strong man has risen in the ninja world!

One after another artifact appeared in the ninja world one after another,

So the whole world is boiling!

Grass Pheasant Sword, Ten Fist Sword, One Hit Kill – Murasame!

The beheading sword, the Zanpakutō, the flowing blade is like fire・d solution!

Red Sand Scorpion: “My puppet is not worth mentioning in front of his ninja gear!”

Four Raikage: “What?

He can slash through my Thunder Dun armor with a single knife? ! ”

Madara Uchiha: “I can’t even beat his ninja gear. What kind of fourth ninja war is going on?”

- Description from novelbuddy