MTL - Eight-year-old Princess: Phoenix Reborn - Chapter 822 Old man

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.

When his family company went bankrupt, Qi Lin sought help from relatives and friends he had helped before.Qi Lin: “Brother Wang, I treated you to breakfast for three years in high school~”Wang Cheng: “I, Wang Cheng, am not an ungrateful person. Bring me 1000 bowls of hot dry noodles for my old classmate.”Qi Lin: “Xueyao, do you remember when you were looking for a job, you stayed at my villa for three years?”Qi Xueyao: “I paid you three years’ rent for a 10-square-meter room. Why don’t you move your whole family in?”Qi Lin helped these people back then, but now they’re indifferent to him.Disheartened, Qi Lin jumped from a high-rise building in despair.He thought he would die like that, but when Qi Lin opened his eyes again, he found himself back in his third year of high school.The family company hadn’t gone bankrupt, and he was still a rich second-generation playboy.Recalling the scenes after his family went bankrupt, Qi Lin sneered coldly.Since I was all about fooling around and waiting for death, why not become a rich second-generation with no morals?

Qinghe County master Gu Sheng died. She had a first class beauty, her name could move the world, but she still lost to the hands of a woman inferior to her. Gu Sheng was only able to understand that she was the antagonist of the heroine after her death, a cannon fodder.

In a pure white space, Gu Sheng was expressionless because of the transmigration.

System: “The heroine must change her fate, must fight against cannon fodder and the passerby to brush a sense of existence. As the master, you are their biggest stone in the way.”

Gu Sheng’s eyes flashed and made a peerless smile, “Then let me see who is the stumbling block that should be trampled and who is the final winner!”

- Description from Novelupdates

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!