Futanari System - Chapter 207: Third Time is the Charm

Reborn in the world of One Piece, I, Karl, was granted a unique “Gacha” System. Every five years, I get to smash a golden egg and pull a legendary prize.At age 5, I pulled the [Infinitely Evolving Monster Body]. As long as I keep eating, I keep getting stronger. The seas would soon fear another monster like Big Mom.At age 10, I pulled the [Sealed Mystical Spear]. A weapon capable of converting my stamina into a beam of pure light, capable of annihilating anything in its path.At age 15, I pulled my greatest prize yet. A card from another world... the legendary [Blue-Eyes White Dragon]!At age 20... the world was no longer ready for what I would become.My legend begins in the East Blue, but my destination is the heavens. They call me a pirate, a monster, a king.But my true title is... The Dragon Knight.

After dying prematurely from an incurable disease, Yuka Hikano finds himself in a mysterious realm filled with endless doors, each concealing divine gifts from powerful deities. He is not alone—others who have met the same fate of death stand beside him, unaware of the trials that await.They are put through various tests and eventually transmigrated into different worlds. But these worlds are nothing like the Earth they once knew.For Yuka, however, this apocalyptic world feels eerily familiar. It is a realm of endless war, devastation, and chaos—a world he once played in a game. Certainly not the kind of place one would wish to be reborn into.From infancy to adulthood, he must gather strength, knowledge, and allies to survive the horrors that lurk ahead. But when he awakens a system granting him a power beyond imagination, he soon realizes that blessings can also be curses.[You have gained Infinite Mana.]Infinite Mana...?What could possibly go wrong?

IntroductionQiankun Wenqing Valley: After Tang San successfully defeated the God of Destruction, he planned to take action himself and begin taming Huo Yuhao...Suddenly, a mysterious black hole appeared, sucking all the creatures from the Douluo Continent and the God Realm into the plane cracks!Then, a comparison live broadcast appeared, revealing the vastly different lives of two Huo Yuhaos!Huo Yuhao in the Original World: As a child, he was bullied by the Duchess and Dai Huabin. During his time at Shrek Academy, he was deceived and manipulated. Even though he had a girlfriend, he could only look at her but never touch her! His surname was even changed in the finale! Controlled by Tang San like a mere pet, his life was nothing but tragedy.Huo Yuhao in the Parallel World: From a young age, he took control of his own fate—beheading the Duchess, defeating Dai Huabin, and escaping the Duke’s palace with his mother! He saw through the corruption of Shrek Academy in time and led everyone to flee together. As an adult, he took revenge personally, killing the scumbag Duke White Tiger! He destroyed the seal Tang San had placed on Wang Donger’s body, allowing her to give birth to a child, and when Tang San came to settle the score, he cut him to pieces...Original Timeline Huo Yuhao: “After comparing myself with him, I finally realize what a failure my life has been. I want to be like him. I refuse to be a coward any longer! Tang San, die!”Disclaimer: This is translation

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.