Reborn as the Princess' Knight (GL) - Chapter 215 78:

When I came to, I had reincarnated along with the base fortress from my sci-fi game. What’s more, I was in the form of the female avatar I used in the game. All around me was an endless ocean, with no iron, no fuel, no energy, nothing at all! No matter how advanced sci-fi technology is, without resources, nothing can be made. Despite this, the natives use some sort of incomprehensible technology called magic, and there’s not a trace of science to be found. Most importantly, I want to eat proper meals for nourishment, not just survive on IV drips! This is the story of a TS girl surviving in a fantasy world together with a super-advanced but spoiled AI administrator.

It’s the age of superhumans!Genetic modifications, Cybernetic enhancements, magic enchantments- the choice is yours! For the right price, you can rise above the masses and gain power only ever seen in myths!For the right price!No matter how far humanity advances, power will always fall in the hands of the wealthy few. It was a truth Dante learned at a very young age and with it came a burning hatred for those who look down on everyone from their ivory towers.The flames grew stronger once he found himself faced with the cruelty of those who rule from above. He swore revenge on each and every one of them, but true power couldn’t be fought with hatred alone.In his search for a weapon that could help him take his revenge, Dante crosses paths with a certain Artifact, his fate taking a turn he could never have anticipated.

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

World ended on 12:31:2024DING!WELCOME TO REBIRTH: 100 DAYS BEFORE DOOMSDAY!Grace Blackwood survived five long years in the apocalypse before she was killed by her own people. Miraculously, she returned to the past with the help of her family's heirloom - exactly 100 days before the Doomsday.Having a space that was upgraded with a system, she took her revenge, stockpiled supplies for the future, and made necessary deals and connections.In her last life, she was alone. But this time, she found four men who were loyal to her and were ready to die just to keep her safe.In her previous life, she lost her most trusted people, but this time, she was ready to do anything to save them.This time, she was ready to face the apocalypse - stronger and better than the past.* * *Warning: This is a Reverse Harem Romance with mature content.