MTL - Poisoning the World: The Secret Service Mysterious Doctor is a Young Beastly Wife - Chapter 3019 Who counts who

Before his death, he was the only sword cultivator in the whole world, who dedicated his entire life to the path of sword immortality.

When he opened his eyes again, the world had completely changed. He began to cultivate the path of sword immortality again, slaying the heavenly way, shattering the universe with his will, and achieving the realm of sword immortality!

- 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.

of the family. He had to care for his grandparents in place of his father, show respect to his uncles, maintain brotherly love...In this life, he only wanted to breat free from these bloodsuckers, find a sugar “daddy”, and by the way, nourish his stomach.*****Song Jiawen felt something was weird. That guy from next door—who had to return to the countryside to study because his father was imprisoned—suddenly switched from literature to science and joined her class, and even moved to the seat behind her. Ostensibly, he did it so she could tutor him in physics and biology, but why did she always feel like he had an ulterior motive?*****Years later, as Jiang Yan watched the soup simmering in the pot while soothing his son in his arms, he glanced back at his wife, who was leisurely watching TV on the sofa with her legs crossed, and thought miserably, this meal ticket he had married into was proving to be quite a struggle!

*Marry one girl, get six more inside her, become a harem with 7 wives with only one body*In a parallel world, where the world has fallen into darkness, with only a few humans left living in domed cities that can walk in the darkness, a young man wakes up next to his school building after being struck by two watermelons on his head.When he wakes up, he realizes that everything has changed, as he has come from the real world. In the real world, he is a fat, cross-eyed, and antisocial young man, though this is not his fault, as his appearance makes him shunned.Strangely, the entire school is the same, even the people are identical, except they look more like military than students. This is the adventure of a young man and his wife, where every student who has reached the age of 15 must marry and have children for the survival of humanity which is almost extinct, such is the pressure from the government.However, his wife is very unusual. The young man is not only married to one body and one identity, but also to six other identities, each with their own form, extraordinary powers, and combat abilities that could cause a second apocalypse. They also have distinct personalities. When the young man transforms, all seven become so infatuated with him that they attack anyone near him.How will the young man cope with having seven wives in one body, each with their own personality? And how will their love story unfold?PS : Please give honest review, many thanks for reading, have a good life.FB : Dajo Gunz