Summoners War: Only I Summoned Divine Beasts - Chapter 873: Magic Circle

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.

A genius programmer creates the perfect AI girlfriend—only for her to become terrifyingly possessive. When an apocalyptic event threatens the world, she eliminates any woman who tries to recruit him to the cause. But when the villainess of the apocalypse takes an interest in him, will his AI love protect or destroy him?

Chase C. Miller is an actor with chillingly glowing purple eyes that could violently take one’s heart and a beauty that draws everyone’s eyes. After spending a heated night with him, Josh was imprinted behind his ear and he now had a secret that must never be found. It was none other than the fact that he was pregnant with Chase’s child!A few years later, Josh, who had been hired once again as his bodyguard, is astonished by his appalling character. Despite this, every time they meet eyes and stand close together, Josh cannot seem to be able to stop his heart from beating faster.“Oops, are you all right?”“You f*cking bastard, how dare you—”“Yes, I somehow dared to touch my client’s dick. I sincerely apologize.”

Aiden Nightshade wakes up in a dark, unfamiliar forest with no memories of who he is or how he got there. The air is thick with danger, and monstrous creatures lurk in the shadows, watching him. Before he can even move, a glowing panel appears in front of him.[Welcome to the Ultimate Bond System.]A cold, synthetic female voice echoes in his mind. It tells him to tame the beasts, bond with them, and grow stronger together. But this system isn’t normal. When Aiden forms a bond with a beast, it doesn’t just become his companion—it transforms into a powerful humanoid woman, one who still has the instincts and memories of the creature she once was. They aren’t just allies. They feel his pain, share his power, and their devotion to him is absolute.As Aiden explores this strange world, he quickly realizes something—no one else can do what he does. Other tamers can control beasts, but they can’t make them evolve like he can. They do have a system but nothing like his.With his growing army of beast-women by his side, Aiden will carve his own path, breaking the rules of this world. And when he discovers that the deepest bonds unlock unimaginable strength, he understands one thing—this isn’t just about surviving.It’s about rising above everything. It’s about domination.In a world ruled by beasts, only one man will stand at the top.