Social Outcast - Chapter 15

The entire world knows that the heir of the Jiang family is smitten with Miss Lu, but Miss Lu doesn't see it that way.Lu Jing thinks Jiang Ye has too many unbearable traits and doesn't want to indulge him.One day,the heir runs to the Lu residence.“Lu Jing, when will you finally grant me a formal status?”“Lu Jing, don't accept their things, whatever you want I will give you!”“Lu Jing, you are mine, and you can only ever belong to me in this lifetime!”Lu Jing: “Scram~ Stop disturbing my sleep!”(1v1, reunion after separation, pursuing wife to the crematorium.)

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.

In Ten Heavens Domain, full of respected powerhouses, juvenile Ling Tian accidentally obtained a mysterious iron sword. He refined the Supreme Martial Dao, studied the Divine Spirit Array Laws, fought Ten Thousand proud and arrogant Heavenly Clans, and was undefeated! Seven Feet Sword Tip sweeps away the world, within the Ten Heavens, I am the Supreme God Monarch!

- Description from Novelupdates

After dying from exhaustion in his dreary corporate job, Riku Sakamoto awakens to find himself reborn in the world of his favorite game — EverRealm Online. But he’s not just any adventurer — he’s The Grand Maximus, a max-level legend with every class unlocked and stats that break the system.Yet instead of battles or kingdoms to conquer, he’s greeted by something far more unexpected: the Peaceful Life System — a mysterious power that rewards him with modern comforts for every act of kindness he performs.Help a farmer? Get a fan. Heal a wild animal? Receive electricity. Solve a village crisis? Unlock hot baths, fridges, and fresh-brewed matcha.Armed with nothing but infinite power and zero ambition, Riku settles in a sleepy starter village to live the slow life he always dreamed of. But as he helps the villagers, befriends forest creatures, and lazily reshapes the world around him, his actions begin to ripple far beyond the village borders…After all, who needs war when you’ve got peace, pancakes, and a weatherproof roof?