Sanctuary: Safe Haven - Chapter 310: Cocoon Forms

Ruel finds himself thrust into a brutal post-apocalyptic world, bound to a bizarre “Milf System.” This system demands morally questionable acts – NTR, seducing milfs, and claiming other men's wives – as the sole means of gaining strength and essential survival skills.The brutal reality of this new world awakens Ruel's hidden lust and dark desires. He swiftly abandons any semblance of morality, embracing the system's perverse demands with growing fervor.Driven by an insatiable hunger for power and pleasure, Ruel revels in the ravages he inflicts, using his newfound abilities to dominate and conquer.His journey transforms him into a ruthless force, where survival is intertwined with the satisfaction of his darkest urges, leaving a trail of broken relationships and conquered women in his wake.

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.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

[Mature Content:]Alaric was too close to Nicolette.Her mouth was just inches away from his.He could smell the lavender on her skin, the heat radiating from within her.But he held back, refusing to be carried away by her charm…“Mr. Allens…” she purred, and he looked down at her.Her eyes widened with desire, and he knew, in that moment, that if he wanted to kiss her, she would let him.The last thing he wanted was commitment. He knew that Nicolette didn’t want that either.But why was she this tempting?So willing?It was that willingness that confused him.She blinked, then swallowed as she pulled the jacket off her shoulders. His eyes lingered on her exposed neck.God.He just wanted to bury his mouth in that hollow spot.“Here,” Nicolette said calmly, extending the jacket to him.He took the jacket, his hand brushing hers just a second. She flinched, her face turning pink as she clutched the towel against her chest.His stomach flipped at the sight.If only that towel would give way to…Before he could stop himself, Alaric pressed his arousal against her stomach, pushing her against the wall, cornering her.She gasped at the sudden movement and for a moment, he lost his mind.“Cole…” he breathed, crushing himself against her.Her eyes gleamed with desire and a vulnerability that rocked him to his core.He would be foolish not to give in to this feeling.But he would also be a fool if he did.She had chosen to marry him.Not her boyfriend.And definitely not Lucian Crawford.Yet, he couldn't help it.She was only his for a year.But still…***************When her business and the gallery she inherited from her mother burn to the ground, Nicolette Voss is determined to rebuild—and get revenge on her father.She turned to her father’s rival, Alaric Allens, for an alliance.Alaric is willing to help, but on one condition—she must be his wife for a year.They called him Ruthless Alaric after an infamous incident 6 years ago. Alaric is back in town, and so are the crumbs of his past. But he is determined to change everything with a wife.He has his hidden agenda.She needs her revenge.But will this marriage between storm and steel survive the heat? And what will they do when deep secrets threatens to destroy them both?