Nine Star Hegemon Body Art (WN) - Chapter 19: Facial Rejuvenation Elixir

Lin Fan was transported to another world, into the body of a normal disciple. Given the environment he was in, Lin Fan faced the risk of being killed at any time. However, something was out of place.

sidelines, cheering for the MCs like the dedicated shipper she is. But plot twist—she’s now a guy. And not just any guy—a ridiculously handsome guy!After spending an embarrassing amount of time winking at her own reflection and flexing muscles she never had before, she decides, “Why just watch the romance when you can be the romance?” Armed with good looks, charm, and way too much insider knowledge of every trope imaginable, she sets out to conquer every character in the story, including the MC she used to fangirl over.But wait… Does this make her gay? Or straight? Or just hopelessly in love with her own fictional fantasy? Frankly, she’s too busy causing chaos (and enjoying it) to care.PS: There is smut, and its reverse harem :3

Traveling to Blue Star, eighteen-year-olds in this world can enter the island world and become island owners after being tested.

Xu Chengfeng’s awakening talent ability “Life Activation”, even the island world can’t judge the level!

Then, his island came to life!

Others need a boat to cross the sea, and Xu Chengfeng’s island set sail directly!

Relying on the life activation technique, Xu Chengfeng pulled up the invincible army, accepted countless races, and ran across the seas!

- Description from novelbuddy

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.