Tome of Troubled Times - Chapter 5: Murderer, Zhao Changhe!

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.

Du Xiao Li, the legendary person all look up to, yet couldn’t ward off the ridiculousness of fate!

Once through the pirates, Lu En became the son of Monkey d Dragon, a grandfather named Monkey d Karp, and an unreliable and neurotic younger brother named Luffy.

Fortunately, the ghost back system is activated!

The completion of the ghost back is 10%, and the training effect is increased by 100 times!

The completion of the ghost back is 20%, and the training effect is increased by 1000 times!

…

One day, Lu En, a ghost-backed master, appeared in front of Luffy who was shouting to go to sea, and made Luffy cry on the spot.

Luffy: “The pirates in the sea are all monsters like my brother? I don’t want to go out to sea!”

Garp: “For a long time, the two boys, Long and Luffy, with small arms and calves, I really doubt that they are not my sons and grandsons. Like Lu En, they are the grandsons of the old man!”

Warring States: “The strongest creature in the sea, land and air is Kaido? No, it’s Lu En!”

- Description from novelbuddy

Su Aobai used to be a bad son. In the men’s slap in the face, he was a rich second generation who was outstanding in everything, but he lost his wits when he met the male protagonist. His family was wiped out, and the overbearing father was pissed to death; , he is the second generation of Xiu with excellent talent, the hero who was abolished because of a woman’s ridicule, and the woman retired the marriage. In the end, the hero came back once he got the opportunity, and destroyed his sect, and the father of the suzerain died…

Now, Su Aobai has become an old father, and has children who are as miserable as he was back then.

Su Aobai refused at first, and the system promised him that he would be rewarded if he raised the favorability of his children. After that, he became really popular.

Sure enough, what’s the point of being a son, the father is the most embarrassing

Tentative world:
World One: Educated Youth Dad (End)
World II: Prodigal Dad (End)
World 3: Foolish and Filial Man in Fu Baowen (End)
World IV: Redemption Text Dad (End)
World Five: Apocalyptic Trash Dad (End)
World Six: Ruanfan Men Don’t Be White-eyed Wolves (End)
World Seven: The National Husband of a Gold Digger (End)

Content tags: face slap system fast travel cool text
Search keywords: Protagonist: Su Aobai ┃ Supporting role: sons and daughters ┃ Others:

- Description from novelbuddy