I AM NOT THE MAIN CHARACTER, PLEASE STOP GIVING ME QUESTS - Chapter 32: The Sideways Plan

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.

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.

Jin, a guy with no direction in life, through an unfortunate event gets his hands on a Hitman System. What transpired then was a struggle to escape the eyes of the cops while trying to complete the system’s missions. However, through a series of coincidences, he soon finds out that his parents’ death was not an accident. Read how he uncovers the veil that has obscured the truth from his eyes since childhood and finds out the darkness that hides under this veil. ‍

Yin Shuang Shuang, a regular girl who grew up in a conservative family, who never even had a boyfriend at the age of 25, suddenly transmigrated in a world where s*x is all that matters.In a world where value was skewed. Where s*x is expected, glorified, and a fight for the world’s survival. How will Yin Shuang Shuang adapt and survive?Follow her as she navigates the entertainment industry in an attempt for survival and defiance to the world. Would her journey to the top give her the freedom that she really wants? And would love be able to blossom under the society’s heavy repression of it?