Spy Mage System - Chapter 219

An otherworldly cultivator finds himself in the body of a young Naruto, shortly after he finishes his academy days.With only fragmented memories of this new world, he finds himself in. The cultivator will make full use of his old knowledge to not only survive but reach new heights.Everyone who tries to get in his way will soon find how ruthless this old soul can be.A.N - Please read this:- The characters In the story will be a bit older than in canon. They will start at fifteen after graduating from the academy and will be around eighteen after the Shippuden time skip.- There will be Harem. I'm not sure how big yet, but probably not very big.- There will be a lot of violence and blood, so be warned.- There will be some occasional smut scene later on in the story.- During the beginning, the story is going to follow canon events quite closely, but this will change more and more as the story progresses and Naruto's actions and decisions start to have consequences.The upload rate is currently at 6 chapters per week, I may increase it in the future if I have more time. I do not have specific days or times for the uploads because my full-time job has an erratic schedule so I upload whenever I have the time. But you can expect 6 new chapters by the end of the week. Sorry for the inconvenience, I hope my readers understand.

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.

I died the way I lived—cheap, broke, and naked.One freak laptop accident later, I wake up in my younger body… back when I still had hair, hope, and zero rent money.But this time, I’ve got something else.A system.One that talks. One that levels me up.One that feeds off... intimacy with women carrying “Yin-rich energy.”And the first target?My mysterious landlady. She’s mature, curvy, and definitely hiding more than just a killer figure under that robe.To grow stronger, I’ll have to seduce, satisfy, and survive the “Dual Cultivation Trials” the System keeps throwing at me—each more insane than the last.It’s time to become the strongest lewd cultivator in the modern world.And I’ll start... by paying my rent.Tags: romance | reincarnation | system | r18 | comedy | harem | cultivation | slice of life | fast paced | urban | academy | milfs | older women

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates