Stop it, Taoist, Your Fight almost Ruins the DAO! - Chapter 705 - 420: Chaos, If You Cut Off The State Preceptor’s Wealth, The State Preceptor Will Cut Off Your Lifeline! The Ancestor of Dragon Tiger Mountain Rises from the Coffin_3

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.

“Ding, the wind and thunder war eagle has been upgraded, the bloodline is activated, and the dark flame phoenix has evolved!”

“Ding, the Xuanwu level has been completed simultaneously, the current level, the immortal level!”

The aura recovered, beasts ran rampant, and humans lost half of their population in an instant.

The demise of human beings is imminent, and the beastmaster turns out, and human beings have the opportunity to continue to survive.

Today, this is a world of beastmasters for all people.

Su Bai came through and awakened his dual contract talent, and he could have twice as many pets as others!

Based on blood and sweat and passion, Su Bai has become an eternal legend in this world!

- Description from novelbuddy

Betrayed and butchered by his treacherous best friend, Carlo's soul was consumed by an insatiable thirst for vengeance. Reincarnated into the body of Eduardo, a lowly servant, he vowed to dismantle the ruthless Mafia empire of Marcello Diabolo, the monster who orchestrated his brutal demise.But plans went awry upon meeting Marcello.“You're mine, Eduardo. Why don't you spread your legs for me”Eduardo's resolve wavered as Marcello's seductive pull intensified.“Run, and I'll catch you. You'll never escape my bed” Marcello warned.“I need you inside me, not once, not twice, do it until I break”Torn between revenge and desire, Eduardo's secret threatened to expose him. Would Marcello's obsession endure, or would Eduardo succumb to his enemy's passion?Will Eduardo's quest for vengeance consume him, or will Marcello's fiery passion reduce his resolve to ashes?