Heaven, Earth, Me - Chapter 915: Mothers Under The Dragon’s Protective Wing.

The Dancing CorpseKnown as the weakest party in the entire kingdom, they were mocked by others for how pathetic they were.The main character, Adonis, who was supposed to be the plot armor of the story, could barely protect his own harem.That was until Gideon arrived—reincarnated into the story as Adnois himself.But the two were completely different. Why? This new Adonis was blessed with a unique system.He could level up everyone in his party, taking them from a measly F rank to S rank.[You have registered xxxx as your party member.][Current relationship score is 60%; you can only increase from F to C rank.][Improve relationships with key characters to unlock higher ranks.][You can now perform a class change.][You have gained a new skill from leveling up your party members.][You have now unlocked the skill-back system.][For every party member you level up, you gain their skills and talents.]Adonis was now on a journey to build the strongest harem to ever walk the earth.

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.

Traveling to another Blue Star, Lin Chen awakened the “Catch the tricky reselling system”. You can catch the weird, sell it to the black mine for mining, and exchange for the weird coins.

It’s a pity that there are too few strange things in this peaceful world. In this case, Lin Chen used the method of looking for a needle in a haystack to catch the strange things for more than ten years, but still very little.

Until one day, Lin Chen received a letter from a thriller game…

This time, the purchase life began.

In the ghost restaurant, the foreman, with tears in his eyes, looked at his miserable restaurant.

In the weird school, the students shivered, and the principal lit a cigarette for them. There is also a dungeon deserted village that makes all human players feel terrifying, and eventually became a real deserted village.

I don’t know when, in the world of horror, a peddler named “Uncle Chen” began to spread…

- Description from novelbuddy

Xu Jun finally defeated the BOSS–the Dark Demon King, in this stand-alone, virtual reality game. When he wanted to go out to browse Weibo and express his mood, he suddenly encountered a game BUG and immediately passes over to the game world.

He became the man who finally took down the Great Demon King in this world. Gratifying! The attention of millions of people!

……However, he did not know the development of this world was not the same as the game, the Demon King did not die, rather his soul entered into Xu Jun’s body; this Demon King knows of all the stupid things Xu Jun does everyday…….

- Description from Novelupdates