From A Stronghold NPC To The Final BOSS - Chapter 10

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.

In Xu Yun Yao’s previous life, she overcame all obstacles barring her way just to become a queen. However, under the suppression of several ministers headed by Tang Song Nian she failed in the end. Just out of reach with bitter hatred in her heart, only to wake up and find herself reborn as the daughter of Tang Song Nian, as she died early.

Xu Yun Yao: I will trample you! You old fart! You dare to oppose this palace!

Tang Song Nian (laughing with joy): Aiya, our daughter’s boldness is truly too powerful.

Xu Yun Yao: I will kick you! I will bite you! You dare lead those ministers to slander this palace!

Tang Song Nian (gratified smile): I knew little treasure loves father best.

Xu Yun Yao: …….

- Description from Novelupdates

After reviving unexpectedly, the concubine’s daughter was no longer a coward like before, but a hard nut.

Flamed her up and bullied her?

Come on!

She came from the 21st century! How could she willingly embrace such destiny?

“Since you ask for it, see how I will torture you!”

She punished the scums and struggled against bad minions!

See how the concubine’s daughter Dong Ling would stand up and master her own fate!

- Description from Novelupdates

Wait right there!!! You stopped?! Good. Now, read below. I know what you guys are here for, so let me make it clear from the beginning, this novel has everything you want to see, like... Milfs, Virgins, Netori, No Yuri, Act of keeping the bloodline pure, Oyakodon, Succubus, Vampires, Elves, Queens in the harem, Princesses, Gilfs, Demonesses, Angels, Goddesses, Dragons, Phoenixes, Dryads, long seggs scenes, Dual cultivation, Cultivation, System, Yandere, Overpowered MC, and many more. This was something for the more cultured people, but besides these, this novel also has... wanna guess what is it? Hmm...?! Yep, you got it! A good story, that won’t make you feel bored, if you don’t quit in the beginning that is. It has many plot twists and many new concepts that you won’t see in any other novel.