MTL - Reborn Mistress’ Scumbag Manual - Chapter 183 secret guest

In her previous life, as Yun Xi lay on her deathbed due to a terminal illness, her famous painter husband said to her heartlessly, “Yun Xi, let’s get a divorce. I would never marry you if I knew that your sister was the one who saved me.” Yun Xi was dumbstruck. It was actually her who saved Mo Ran! She struggled to look at her sister, Yun Lian to see what was going on. Yet, what she saw made her heart sink into her stomach. Yun Lian lowered her gaze as she said, “Sister, I’m sorry. My Brother-in-law and I truly love each other. I’ve been hiding this for so long now, and I can’t hide it any longer.”

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.

Well-known Composer Fang Zhao was in the glorious stage of his career, when the Apocalypse arrived; After finally experiencing the bitter difficulties of a thousand dangers, when the Apocalypse was simmering down to an end, he collapsed; When he opened his eyes, he was reborn in a New World, 500 years after the end of the apocalypse, in the body of a student who had been dumped barely after graduation, who had been cheated of his hardwork barely after he started working…

The World of the Future, Virtual Idols PK Real Idols

“Every time background music plays in my head, I feel like there is nothing to be afraid of.” —Fang Zhao

Toward the end of the apocalyptic period, Fang Zhao lost his life. However, instead of dying, he found himself 500 years later in the body of a young and aspiring composer who shared the same name. Having received a second chance at life, Fang Zhao sets out to achieve the previous owner’s dreams.

Armed with the experience of living through an apocalyptic age and his profession as a composer before that period, Fang Zhao uses his talent, wits, and knowledge to make his mark in the entertainment industry of the future.

- Description from Novelupdates

Warning… Matured content!!“You,” Augustine began, his voice firm and direct. “I'm making you an offer: we get married, immediately. This isn't a request, it's a demand.” Augustine's uttered with a piercing gaze.Charles scoffed. “What type of bullshit is that?” He fired back.***Augustine Wales is a cold CEO who is known as the most successful and influential business man in Country H.His name alone commanded respect, his steely gaze and cold demeanor strike fear into even the most hardened of hearts. He was a man of few words, each syllable weighted with the power of his position.On the eve of Augustine Wales 29th birthday, he received an unexpected call from his family, their demands clear and uncompromising: find a spouse, or forfeit your stake in the family's vast wealth and influence.In that very moment after receiving the phone call, the gaze of Augustine fell upon a young man named Charles Donald and without thinking twice, Augustine immediately made a proposal to Charles, but was met with a swift rejection.Augustine's proposal was rooted in desperation but little did he know that fate was drawing him toward a future he never could have predicted.“What will happen when Augustine Wales, the powerful CEO, finds himself unexpectedly falling for Charles Donald, a humble cleaner in his office?”“When Charles' deadly secrets rise to the surface, will their fragile bond shatter, or will their love prove strong enough to weather the storm?”