MTL - Los Angeles Detective - Chapter 488 mutation

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.

In the end of the era, the ghost wizard was killed in a car accident, the soul crossed, and he found himself in Japan, and he was attached to a Japanese.

I was thinking about taking a name in Japan, and I picked up a newspaper and glanced at it –

Kudo Shinichi, Sherlock Holmes of Japan’s Heisei, the savior of the police? In the trough, how does Laozi wear into the world of the second yuan? Well, all in all, this is a story of a wizard playing a passerby in the Conan world…

- Description from MTLNovel

It always starts with an accident.That’s how all these stories go. One moment, you’re minding your own business, and the next, you wake up in someone else’s body. For Caspian, his accident started earlier than he even knew.Maybe it began when his sister got him into romance novels? Or when he started really sympathizing with the villains at the ends of books? He’d never know. It was too late to worry about it now.For now, he had to find a way to fix this nightmare, or rehabilitate his image, all while trying to free himself from the fate set out for him. All because of the damn “gods” who he'd cut a deal with.These were the only two options he had available, and he wasn’t sure he could succeed at either. The man he had taken over for had been…a true piece of work. And the secret villain of the book he had been reading before he passed.It had been a harem novel. A reverse harem novel.He was trapped in a huge ass CASTLE with a bunch of men who hated him because he was taking affection and time away from their shared wife. All Cass wanted to do was be a good person, not mess around with this poor woman and her far too handsome husbands.But why would no one leave him alone? Was he too suspicious? And why, after going out of his way to avoid them like they had asked, did they keep pestering him?And where did the heroine go?How was he going to manage three, handsome men without the heroine?

In the martial world, disputes often lead to immediate violence, frequently harming innocent, unarmed civilians who either lose their wealth or their lives.Lu Jianwei merely complained a few times when she was suddenly bound by a system and transported to ancient times, tasked with running an inn according to the system’s rules.The foremost rule of the inn is—No fighting within the inn.Violators will either lose their wealth or their lives.A mysterious inn suddenly appeared in the martial world, rumored to be a shady establishment dealing in mu*der and robbery.No matter who enters the inn, they either leave penniless or lose their lives.The bold and skilled “Know-It-All” of the martial world, eager for firsthand information, sneaked into the inn alone to trace the whereabouts of missing people, only to be horrified to discover—Isn’t that diligent woodcutter the number one swordsman of the martial world?!Isn’t that agile waiter the number one thief of the martial world?!Isn’t that chef wielding a kitchen knife the number one beauty of the martial world?!Isn’t that farmer hoeing the ground the top disciple of the Martial Alliance?!And that…Before he could flee, the inn’s beautiful and gentle landlady stood before him with a smile.“The inn still needs an accountant. You’re it.”Know-It-All: I’m just a seller of information, I can’t do accounting ahhhh!Reading Guide:① Not a serious martial arts story, focuses on management + face-slapping + drama;② The female lead is the strongest throughout the story (pretending at first, truly strong later), the male lead appears later;③ For fans of overpowered management stories, all settings in the story are fictional.