I am a Primitive Man - Chapter 121: artificial respiration and Bone sucking Manic

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.

This novel is also known as Retrograde Gaming

Due to not being able to buy a game helmet, diabolical Li Huailin made a determined effort and made his own game capsule entering into the new online game 《Heart of Glory》. But he didn’t think that he actually got his game character stuck as a bug.

Other people get experience from fighting monsters, he loses experience from fighting monster; Other people get experience and money from doing quests, not only does he lose experience from doing quests, he even loses money.

Right when he thought that he couldn’t play this game anymore, his character died once and his experience suddenly skyrocketed. And thus he was enlightened…

If you don’t seek death then you won’t die, to level up Li Hailin started his life of desperately seeking death.

- Description from Novelupdates

Once reborn, the most miserable real daughter Xia Zhi caught the fake daughter and her fiancé in bed!

The first sword in rebirth is to kill the person who betrayed your heart first.

Watch her golden cicada shed its shell and go to the frontier to let the birds fly high in the sky.

Summer Solstice: From the first time I met Zhou Zhengan on the train and handed me a steamed bun, this person has been haunting me. He appears around me every time I eat, and he is attentive to picking up food for me and giving me food. Fill with meat.

You have to give yourself a taste of any good thing first.

While Xia Zhi was enjoying the meal, he warned himself that this person was a diligent person who had nothing to do and was either a traitor or a thief.

Xia Zhi, who finally saw the world, became Zhou Zhengan’s wife.

Zhou Zhengan: Zhou Zhengan, who has had no sense of taste since childhood, met a girl on the train who was drooling at the steamed bun in her hand. The kind girl broke off half of the steamed bun she gave him. From then on, Zhou Zhengan opened up a new world of taste.

Every time he eats, he can taste the food that Xia Zhi has tasted.

He was hanging around Xia Zhi, why did Xia Zhi want to marry someone?

Who dares to snatch my wife?

- Description from novelbuddy

Sincere is transmigrated person, who gain a magical tiger eye in his left eye. with this eye he decided to change his ending and became the richest person