MTL - Harry Potter and the Rise of the Ordinary Person - Chapter 55

Sam unexpectedly acquired a dating simulation game named “The Female leads Truly Loves You”. He was quickly captivated by the game, which featured numerous beautiful female leads.Crucially, it was a harem-style game where the mc could maintain romantic relationships with various female leads and engage in sexual relations with them.Just when Sam thought achieving sexual relationships with these female leads was the game's goal, the ending shocked him profoundly.When all the female leads discovered the male protagonist's love for multiple girls, they exhibited inexplicably insane behavior.True to the game's title, “The Female Leads Truly Loves You”, each one wanted to possess the male lead exclusively. The crazed female leads resorted to extreme measures, killing the male protagonist.They dismembered his body and preserved it in formalin.They decapitated him and kept his head by their pillows to accompany them in sleep forever.They drained his blood to create a specimen, ensuring they could see their beloved male lead every morning....Realizing his fate would be death, Sam chose to avoid these female leads. However, they seemed to possess magical abilities, always finding him using various means.Fortunately, Sam had a system. By thoroughly conquering these female leads, he could avoid the deadly ending and even gain enhanced abilities.

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.

Reborn in 2004, facing the age where pigs can be blown up, Lin Xuan, carrying the “Strongest Cottage King System”, started galloping…

- Description from novelbuddy

In the Dragon Abyss Empire, nestled within Clear Water Town, young Jiaang Lin awakens from a brutal beating by his cousin Jiaang Ren, only to discover he has been reborn into his younger self. Once a mocked disciple with blocked meridians, Jiaang Lin had risen to greatness in his past life as a prodigious warrior and Pill Saint. Now, with a second chance, he vows to protect his loved ones and conquer his enemies. How will Jiaang Lin change his destiny and ascend to the pinnacle of martial prowess once more?