Falling in Love to Escape the Original Book Plot [BL] - Chapter 256: Refining the Nine Colour Lotus

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.

“Some connections are written long before two hearts ever meet.”Arjun never believed in fate, just another lost soul buried in the noise of textbooks and deadlines.Ayesha was a quiet storm, hiding a fragile heart behind glowing smiles and disappearing messages.They were just two strangers, separated by borders, bound by pixels on a screen.But what starts as casual texts in the dead of night slowly turns into something neither of them can explain.A bond stitched through unseen heartbeats.A love whispered through endless silences.But every heartbeat carries secrets... and some secrets are too heavy to cross the distance.When time begins slipping through Ayesha's fingers, Arjun finds himself caught between holding on or letting go.Will their hearts find each other in the silence or will destiny write their last message before they ever meet?

Kamishiro Homura is a hero who once by himself exterminated the another world invader that destroyed the military all over the world. However his extreme strength made the influential people ostracized and exiled him from the society with false accusation of [Traitor] attached to him. A few years after that, for an unspecified reason Homura entered the magician academy and he looked after the girls that were ridiculed as the [burden platoon]…!? This is the raise of the curtain of a fantasy tale of the unrivaled and invincible young man where not a single ally or enemy can keep up with him, the young man who sooner or later will be extolled as the messiah by the whole human race!

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.