EPIC Side Story: Dragon Ball - Chapter 36: Contentedness

Once upon a time in a modern city, a man died and was reincarnated into a body and a new mythical world.

This world holding many secrets, and wonderous things, but he possessed something that was highly regarded in terms of importance and usability: SPEED.

Join Noah on his quest to acquire great power, meet new people; while also discovering the many mysterious features of this new world he'll eventually learn to call his home.

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.

Father's concubine framed him, coveting the treasure in Lu Chen's hands.His clan siblings were envious, fearful that Lu Chen would threaten his position as the young master of the family!The two colluded, resulting in Lu Chen being gouged in one eye and his Dantian destroyed, leaving him disabled!In such a desperate state, he also faced a life-and-death crisis on the execution stage, but only the maid Qin Yaotiao stayed by his side, willing to live and die with him!Fortunately, he obtained the Hateful Sky Clan's Totem Pupil Bead left by his biological mother, which granted him an unparalleled Pupil Skill cultivation technique and spear skills, allowing him to gradually take revenge for the blood feud and ultimately embark on the supreme path of immortality with Qin Yaotiao!