Ex Strongest Swordsman Longs For Magic In Different World - Chapter 218 (Self Edited) – End of Play

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.

Houjou Yuuji, 30 years old, jobless, hikkomori for 10 years. Using his parents’ death as the impetus, he decides to rid himself of his hikkomori life and leaves the house. What awaited him, however, was a different world that he was not used to, creatures strutting about that he didn’t recognize.

This is the story of a man transported to the another world, as he lives in relative peace with his beloved dog Kotarou – his house, with electricity, water, gas, and the internet somehow still connected.

One day while exploring the forest near his house he finds a girl named Alice, and becomes her guardian. Thus, 4 years after he is transported to this world, Yuuji resolves to venture into his first town.

Rainer, an amateur arcanist and college student, sought to create a new spell far surpassing the magic of the few he inherited from his grandfather. Yet the interference of an unknown event during the casting of his spell led him to be thrown through space and time.

Shishio stared at the beautiful girl in front of him, and he couldn’t look away. Her waist might be the narrowest waist that he had ever seen, and he was wondering how it felt to hug that waist. Finally, he made up his mind and decided to say hello to her, but suddenly…

[Target has been found!]

«Huh?»

[Welcome to Scumbag System!]

[The more woman you have, the more rewards you will receive!]

[As a starting gift, you have received «Japanese Food Cooking Mastery»!]

[As the first target has been found, you also receive 500 million yen on your back account!]

[The journey has only been started!]

[Work hard, young man!]

«???????»

Shishio frowned and said, «I refuse!» without hesitation, but after a while…

«I refuse!.. I really refuse!.. I really try hard to refuse!.. Sorry, I can’t refuse it…»

Shishio tried really hard, but he couldn’t…

***

This is a work of fiction. Names, characters, business, events, and incidents are the products of the author’s imagination. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.