MTL - The Boss of the Apocalypse Disguises Himself As a Cannon Fodder Female Educated Youth - Chapter 239 Three brothers inspire supernatural powers 2

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.

Joanne Smith, weighed down by significant debt and humiliated by Jeffrey Winchester's cruel rejection just a day before their wedding, transformed her life into that of a multi-millionaire entrepreneur, allowing love to fade into memory.Joanne had one rule in life: money first, emotions later. She built an empire from the ground up, balancing her booming logistics company with the peace of her family farm.When a rugged stranger shows up, desperate for a place to stay, Joanne reluctantly takes him in as a paying guest. But little does she know, he’s not just any guest. He’s the man who brutally rejected her years ago, the one she’s long since forgotten.And he remembers everything differently.Now, living under her roof, he’s fueled by the sting of his own downfall and a hunger for revenge.Will the truth tear her world apart—or bring a reckoning neither of them saw coming?Join me on this incredible journey to find out!I will provide daily updates, and I would love to hear your thoughts in the comments. Please consider leaving a review and supporting me with GTs, Power Stones, and gifts.I hope you enjoy this story as much as I enjoy writing it!

Crossing to One Piece world, he became Roger’s younger brother.

Unexpectedly, Gol-D-Roger who was in his fifties had a teenage brother. But he was so weak.

Fortunately, at the age of sixteen, he actually found himself with a possession soul system.

He had attached to the master IP man, also to the White Phoenix and to Ge Nie with his strong ability of the Hundred Step Flying Sword.

If you think that he can only Purchase these? Then you’re wrong!

Pain, Itachi, Ichigo Kurosaki, as long as there is money, any soul can be Purchased.

- Description from Novelupdates

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power