My Angel system - Chapter 345 Golden Aura

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.

Your virginity has always been mine to take, he said while his fingers gripped the neckline of her gown ready to rip it off. Her teary eyes widened in shock at his declaration, and she forgot to breathe. All the colours drained from her face as she froze frightened.

She was meant to be his forever, but his one mistake turned her love into hatred. He was her Prince Charming, but her hatred turned him into a heartless Villain.

Mistakes and misunderstandings led to heartbreaks.

She doesn't want to be with him anymore, but he doesn't want to let her go, ever.

A Love-Hate relationship between childhood Sweethearts who turned into archenemies by the time they reached adulthood.

Read on to know more about their journey into the roller-coaster ride of LOVE.

Kazura was selected as the winner on a lottery that he bought on a whim and received ¥4,000,000,000 (4 billion yen).

In childhood, they were neighbors. Xie Zhen always bullied Li Yu.

Who told him to be as beautiful as a girl?

After parting for many years, they met again in the capital. With a tall stature and heroic bearing, he seemed like a completely different person.

Not only that, but his identity had also risen to that of the sixth prince.

Hearing he wanted to marry her, Xie Zhen was almost scared silly:

Σ(っ °Д °;)っ What’s his intention? Taking revenge on her?

- Description from Novelupdates