MTL - Marriage of a Sickly Villain and a Fortune Hunter - Chapter 9 Whose benefactor?

Hasami Tatsuro and Yashiki Ai, two ordinary teenagers, experienced an earthquake while on the way home from school.The earthquake cracked space and transported the two to another world.Landing in an unknown forest, the two initially began to grieve. However, unbeknownst to them, a system had installed itself into their bodies, granting them the ability to gain skills and statuses.Hasami Tatsuro obtained the “Level Eater” skill. “Level Eater” allowed the host to devour others’ levels/skills and make it his own.Yashiki Ai obtained the “Valkyrie” skill. “Valkyrie” allowed the host to obtain and use any offensive skills from different classes, without the need to specialize.With their cheat skills and teamwork, they managed to venture out of the forest and explore the new world.This is a story of two ordinary kids.

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.

A short, happy, and heart-warming story about the daily lives of a modern-day married couple.

The fat and ugly Nora Smith is the laughingstock of the town when her fiancé breaks off their engagement.He says, “The sight of your gigantic face and thunder thighs disgusts me! Don't ever pester me again!”“What an idiot.” Nora scoffs and turns around, her lips curling up into a smile.Later, when Nora successfully slims down, she returns as an astounding beauty.Her ex-fiancé comes to her bearing flowers and begs, “I was wrong, Nora. I’m willing to do anything as long as you come back to me.” Nora rests her chin in her hands and smiles as she replies, “Real men don’t dwell on the past.” Angered, he says, “You’re just a dimwit saddled with baggage that I dumped, Nora. No one will want you except me!”But following that…A young and popular singer tweets: “Nora Smith is my goddess!”An internationally renowned surgeon asks, “Are you free tonight, Nora?”Even the rich and influential hotshot whom everyone is scared of comes forward and says, ”I can take care of my wife and children myself, thank you very much.”