Masteria Online: Shattering the Dark God's Grand Scheme - Chapter 88 - Nexarch

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.

【Welcome to the Love Simulator】【You can freely choose to simulate with women whose appearance rating is 7 or above (on a 10-point scale) and have basic connections to your reality.】【The simulation is entirely free; please explore on your own.】【After the simulation ends, the system will evaluate the results and provide rewards.】【Current number of simulations: 4】【The number of simulations is not fixed and can be restored through special rewards or the passage of time.】Wait—why are all the simulation targets such difficult-to-handle 2D female leads?

In the wealthy circle of the third district of the Federal Empire, everyone knows that Su Wan, the daughter of the Su family, has loved Huo Yichang for many years.

The two families are rightly matched, and they were childhood sweethearts, but they got married today, but the groom ran away!

Everyone was sympathetic or waiting to see the joke, but the bride Su Wan was very excited!

As long as this wedding is completed, she will not have to be forced to marry, and she will have an explanation to her grandfather.

As for the groom gone? Then change it!

Then Su Wan bumped into a man at the corner of the corridor.

The man was extremely handsome, with fluffy ears, a big fluffy tail, and a pair of big wet eyes, looking at Su Wan expectantly.

Su Wan immediately decided that it was him!

Pull people and run away, the mastermind registers for marriage, and goes through the wedding cutscene, all in one go!

When Su Wan thought that the bridal chamber could be skipped, it happened that this person exploded.

When she woke up, she found that the person she was crying and hugging her dear last night was actually the first commander of the empire?

Su Wan: Run away, run away!

But one month later, at the opening ceremony of the Imperial University, Su Wan looked at the specially invited Commander, who was specially invited on the podium, wearing a dark blue special military uniform, with an ascetic and cold face, and suddenly fell silent.

Gu Jue: I heard that someone took advantage of my distress and dragged me into marriage, and even comforted me?

Su Wan: I haven’t heard of it, it might be a rumor!

A smaller version of ‘Gu Jue’ jumped out next to him: Ma Ma, haven’t you heard of it?

Su Wan: …

- Description from novelbuddy

In a world where dungeons loom like dark secrets and monsters stalk the land, Rem’s awakening shattered the status quo. A surge of raw power flooded his veins as the Monster Monarch System bound itself to him, unlocking a terrifying potential.Each heartbeat echoed with the promise of countless souls waiting to be absorbed—skills, abilities, and monstrous strength ready to be claimed.Fuelled by an insatiable thirst for power, Rem set out on a deadly quest, driven by one singular goal: to rise above the chaos and stand at the pinnacle of the world. With nothing but the deadly abilities granted by the System, and a burning will to crush any who dared stand in his way, he carved his path through savage lands and ruthless mages.The hunt for strength never ends. The battle for supremacy has only just begun. Rem’s eyes are set on the throne of the Monarchs, and the Monster Monarch System will ensure nothing stands between him and his destiny.The grind was eternal...