A Reincarnated Mage's Tower Dungeon Management - Volume 2, Chapter 2 – This Maid-san’s Intense Fellatio

Qin Xiaobai transmigrated into a husky.
And his master turned out to be a goddess-level live broadcast.
Reporter: “Miss Su, you are now the first sister of Douyu. What’s the secret of your success, is it your good looks or hard work?”
Su Wanqing thought for a long time, then pointed to Erha beside her and replied, “It doesn’t seem to be the case. The main credit for my current achievements is that my Erha is so outstanding! Sometimes I even doubt that my Erha is the protagonist. …”

- Description from novelbuddy

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.

When a glorious old civilization was toppled overnight, a strange purple moon rose and thus began the Purple Moon Era.

Twenty-six years, Jiang Yun experienced three things:
girlfriend Qin Zhao cheated;
quit his job;
Another new love.

【You are the fireworks of the world and boundless obsession】

Demining:
1. Do it first and then love the text. Jiang Yun and Lu Nian didn’t care about it in the early stage (emphasis added), so why not talk about feelings, and Lu Nianzhi and Qin Zhao are friends. That is, Qin Zhao cheated, Jiang Yun found another new love (who had broken up), and Lu Nianzhi was digging.
2. The clean party is careful to enter, Jiang Yun has an ex-girlfriend.
3. The broken mirror does not reunite, and Lu Nianzhi’s he, abusive scum text.

Content tags: Encounter by fate Near water towers Heaven made synthetic growth
Search keywords: Protagonist: Jiang Yun, Lu Nianzhi ┃ Supporting role: Qin Zhao ┃ Others:
One-sentence introduction: abused scum, broken mirror will not be reunited
Purpose: Get out of frustration, keep improving, and become self-reliant

- Description from novelbuddy