Nexus Awakened (An Isekai LitRPG Gender Bender Story) - Chapter 21. New Skills

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.

As soon as Rong Yan entered the book, it was a bloodbath.Faced with a deathly hellish start.She ended up with Liu family's slacker gang.And the people coming to catch the cheaters were just a few minutes away.One step forward, an abyss; one step back, into the dragon's den.Rong Yan: Wow, this is thrilling!***Fortunately, she has a space with trillions of resources, otherwise, this house would be empty.She genuinely felt like she could die on the spot.But what's with the control group?Her man is a cannon-fodder unlucky chap?Her brother-in-law and sister-in-law's fate is extremely tragic?Is she that doomed original match where the more miserable she is, the better off the female protagonist?Well, go to hell!Kicking those bloodsucking relatives, punching those scoundrels...Qin Ye stops her: ”Wife, let me handle this.“Rong Yan: ...Can I still get a divorce?Qin Ye's cold laugh: ”Only widowhood, don't think about divorce.“

Tenjou Yuuya has been a bullied boy since the past.He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.While on this long time of absence, he takes the opportunity to clean his grandfather’s house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.Out of curiosity he opens this door, what he found on the other side was…

It is said that the second daughter of the Yu Family is an Unlucky Star who only appears once in ten years, born with a lowly status and astonishing stupidity.Everyone mocks and bullies her, avoiding her like the plague, except for Master Shi, the famously aloof and distant ice sculpture of the Imperial City, who believes he has found a treasure.The first time Yu Zhi met Shi Wei, she thought he was a cold and abstinent CEO.After spending more time with him, she realized he was actually a paranoid, cunning, possessive, and childish scoundrel.One day, while they were watching an idol drama together, Shi Wei suddenly asked, “Why have you never cried for me?”Yu Zhi replied, “My tear glands aren't very active.”Shi Wei said, “Really?”Later, every night when Yu Zhi was bullied into crying, he would whisper eerily yet contentedly into her ear, “Zhizhi cried for me, I'm so happy.”