Mama's Princess is Daddy's Beloved - Chapter 1262 Unimportant caller.

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.

Vampire Queen Shang Yu awoke at the auction house after a ten billion bid for her corpse.A gunfight broke out during transport and she stood up from her coffin.The scent of blood in the air was truly delightful!Her eyes fell upon the injured man and she tilted his chin, lightly kissing his wound:“You taste sweet.”…It’s said Shang Yu’s meteoric rise relied on men, but deeper digging revealed her aliases were all shocking, plus nine elder brothers and sisters who doted on her.She was known as the business world’s foremost abstinent queen.Yet she was photographed eagerly pressing a certain tycoon in a car, kissing him as he let her have her way.

As a successful author, Max was used to hate comments but he never expected that his decision to kill an important character would result in his death.Apparently, the Goddess and her brother used to read his novels and were both a big fan of his works. Sadly, the brother didn't like his decision and killed him.As compensation, the goddess decided to send Max in his own novel as the protagonist and complete the story without letting any of the main characters die.Max had no problem with that, so he accepted it and asked for something else too.“Can I court you?”Now, he has the Goddess accompanying him as the Ultimate Leveling System. Not only that, his system also rewards if he saved the favourite characters of his novel. What could be better than this life?[You have Killed the Giant Behemoth Dragon, granted 200000 EXP.][You have saved the side character, Charlotte Sinclair, granted the fortune worth Corelhelm Kingdom.]Watch as how the author makes the harem of his favourite characters while leveling Endlessly....What to expect-Leveling+Mana Cultivation+Labyrinth adventures-OP MC-Light Hearted, Low stakes-A proper Harem and good romance-Very less Smut (yeah, the number of those chapters will be very low as I intend to focus on relationships, adventures and of course Labyrinth stuff.

“Wait... Where am I and... who am i?”Just after he thought he was successfully betrayed and killed by his most favored surbodinate. Taylor finds himself on the floor of a remote alley“Don't tell me I got reincarnated?” Hutton muttered with a look of disbelief on his face.P.S; Join the novel discord server for any announcements or questions and answers sections