Struggling as a Villain - Chapter 221 - 220- Welcome back

Zaria of the village of Latian. A former skilled mercenary with a strong, beautiful face and a tall, voluptuous body, she fell in love at first sight with the kind and gentle villager Albert, and since then has quit rough work and lived as a married woman devoted to him. It seemed as though their happy days would continue forever, but one day her husband Albert was injured at work, and he was barely able to stand or walk. To cover her immediate living expenses and her husband's medical expenses, Zaria uses her “previous job” to become a sword instructor for the son of a certain lord, but...

“Power to accelerate Everything including time!!”.....Damien Harrier was a ruthless small-time gang leader, feared on the streets—until the night he let his guard down. The woman in his bed was a trap, rigged with a bomb by his enemies. She exploded. He died.But death wasn’t the end.He awakens in a nightmarish battle royale where thousands fight for survival under the gaze of the Master of Reincarnation. The rules are simple:Only the top 10 earn a second life.Refusing to kill means ceasing to exist.Your performance determines your talent in your next life.David fights his way through the slaughter, becoming one of the strongest contenders. Then, everything goes dark.When he wakes again, he’s not on Earth anymore. He’s been reborn in a world recovering from an apocalypse, where lords rule over crumbling territories and every person awakens a unique ability at eighteen.Thanks to his past victory, he gains a power like no other—Acceleration, allowing him to bend time itself. Armed with this ability and an evolving gun, he carves his path through war, politics, and abyssal horrors… rising from nothing to become the fastest lord of the apocalypse....want more chapters?help this book reach 50 Gt or 200 power stones for additional one chapter daily..........

From a media tycoon’s daughter to a poor plumber’s girl, but it seems that Yu Yao is unfazed? She opened the eyes of the sky, and her life has been opened all the way. She is an eighteen-year-old girl, but as soon as she turns around, she becomes a big boss who no one in the entertainment industry dares to offend.

- Description from Novelupdates

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.