My Crown Prince Consort Is a Firecracker! - Chapter 2217 - 2217 This is a One-Hit K.O.

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 swordsman hailed as the strongest has reached his end, and was reborn as an elven girl.

This is the story of the swordsman only knowing how to kill in his past life aiming to be the best healer as a girl.

In the final battle against a monstrous entity with his teammates, the strongest swordsman, the Hero’s mentor and the only one in their party incapable of magic yet the most skilled with the sword, sacrificed his life to end the battle once and for all. Reincarnated as an elf girl, the strongest swordsman decided to live a different life from his blood-stained past and pursue the magic that he has never used before.

As a girl, she apprenticed under the old potion maker and healer of the village to be like someone she had admired in her previous life while keeping her condition sharp with sword training as she had done in her past life.

After learning the ways of a healer and convincing the elf village that she is capable enough of leaving for the outside world, she hitched a ride with a party of adventurers passing by the village and went out to see how the world has changed.

Song Yu, an up and coming architect was supposed to be the fiancée to the second son of the Qi Family… until her family went bankrupt. The engagement was called off and she finally has the freedom to love whoever she wants to! Years later, a twist of fate made her cross paths with the Qi family again. In order to land a prestigious architect role in an upcoming hotel construction project, she had to impress the director of Qilin. Follow Song Yu as she navigates through life and love!

Reborn as Javier De Armand, the youngest son of a lower rank noble household, former salaryman Nakamura Junichi faces a world of privilege, chaos, and responsibility.From his earliest days as a baby to his rise as a formidable adult, Javier’s life is anything but simple., Javier must navigate the expectations of noble society while pursuing his own freedom and dreams.As he grows, he learns that nobility comes with its burdens—managing territories, forging alliances, defending against enemies, and earning the respect of both his peers and the commoners he vows to protect. But life as a noble is no fairy tale. Rival families scheme for power, enemy threaten the borders, and kingdoms teeter on the brink of war.Being the youngest son places Javier in a unique position. Neither the heir nor the spare, he must carve out his own role within his family and society. With his sharp mind, decisive personality, and memories of his past life, Javier takes on challenges that many would shy away from.Recruit allies and build his own influence, carefully balancing his desire for independence with the duties expected of him as a noble. Along the way, he must navigate family dynamics, political challenges, and his ambition to leave a lasting mark on this fantastical world.In a realm where strength, wit, and cunning reign supreme, Javier's journey blends humor, slice-of-life moments, and lighthearted chaos as he crafts his own destiny while keeping those closest to him by his side.