Marvel's Superman - Chapter 506: A Wonderful Battle, A Fierce Battle.

As a precocious child, Lycoris suffers from a strange sense of deja vu. On the day her father told her about her fiancé, she realizes that her fiancé was a character from an otome game she once played in a previous life.

They hunted my kind for extinction but I came back as their nightmaresnon human mcDarian once the strongest Dragon Knight in the Empire, died protecting the last dragon from extinction. Betrayed by his comrades and burned alive by holy fire, he vowed vengeance with his last breath.But the gods answered—with a curse and a gift.Darian reincarnates hundreds of years later... as the last dragon egg hidden in a cave deep beneath the earth.Now, inside a fragile shell, he remembers everything. The betrayal. The genocide. The lies told by the human kingdoms. And as his body slowly grows, so does the power of ancient draconic magic—and the System embedded into his very soul.> [Draconic Evolution System Activated]Choose Your ElementUnlock Ancient MemoriesDevour Magic Sources to Accelerate GrowthHatch When Power is ReadyHe must hide from dragon hunters, manipulate desperate adventurers, and absorb mana from the dying world to hatch once more—stronger, darker, and more terrifying than ever.And when he emerges?> The world that burned him will feel true fire.

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.

After obtaining the God of Cookery System, Jiang Feng started with a food stall selling rice combo sets and became the Culinary God of China!“The stall is a hidden gem. Seriously.”“I'll take one. I'm a food vlogger. I heard this rice combo set is amazing, so I'm here to review it.”“Didn't you just say it wasn't worth detouring for 15 minutes to come here?”Was there even a need to ask if it was tasty? Even a fellow vendor had become a customer!