I, Am a Living Yama, Empress Advises Me to Stay Calm - Chapter 77

Yin Yin: The villainess of “Exhausting the Prosperity” . She takes the responsibility of destroying the relationship between the male lead and female lead by using poor means and finally get blackmailed by the male lead.

Lin Xin Er comments: She’s need I.Q

So she was transmigrated.

Du Qianqian : the heroine of ” Exhausting the Prosperity “, a white lotus flower of the Virgin Mary, whose IQ is more worrying than the villainess, finally jumped off the cliff and died under the persecution of the villainess.

Lin Xin Er commented: she deserves it.

So she was reborn

Lin Xin Er: the reader of ” Exhausting the Prosperity “, one of the oldest leftover women in the 21st century. One of her major hobbies in life is cheating around and take it as a business.

So, she transmigrate to “Exhausting the Prosperity” and became Yin Yin.

——Life, perhaps, is just a chess game with exquisite layout. But the players are different.

- Description from Novelupdates

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.

An extraterrestrial thing gives Chen Yizhe the ability to transform the microscopic world

Repair electronics?

To cure all diseases?

Modify DNA information?

Change the structure of water into gold?

Create new material?

- Description from novelbuddy

Crossing over into the 1970s to become a little girl, not enough to eat or wear, no problem.On my left, a brother spoiling his sister, on my right, a childhood sweetheart who's a warm piece of eye candy.Behind me is a group of little followers, here come the beautiful and happy days.Male lead version: Hmm, seems like my little wife has arrived.