Fate's Slave - Shadow Slave X Honkai Star Rail - Chapter 18: Supreme Guardian

In the end-French era, after countless calamities, the era of cultivation is coming to an end. The last combination of air transportation and evolution has evolved into the treasure board, which was obtained by the last practitioner in the end-French era, which opened up a legend of wandering heavens.

- Description from Uukanshu

Transmigrated into a world where spiritual artifacts are a part of everyone!In this world, beasts run rampant, mysteries abound, and humanity is on the brink of extinction. After a century of struggle, a developed system of power has emerged!After reaching adulthood, women awaken into spiritual artifact forms like knives, guns, swords, and halberds... possessing earth-shattering power!Men awaken to spiritual artifact spaces, forming contracts and becoming summoners.When the two combine, they can unleash power several times greater than their own.Xiao Zhan awakened with an SSS-level summoner talent but was abandoned by his girlfriend due to unforeseen circumstances. However, he was fortunate to be noticed and picked by another school beauty!Yet, Xiao Zhan discovered that his luck wasn't just limited to that...

The Republic of San Magnolia.

Katherine Zara, a single middle aged office worker, went about her day as she always had; wake up, go to work, come home and read or play games. However, today would be different. Before she left for work, her ex broke into her apartment and killed her.

When she woke up, she was given many choices. She could pick her new world, pick her starting point, and pick her system among many other things. And so Katherine decided to become a servant to a villainess.

Follow Katherine as she serves her petty, demanding mistress in a world of swords and magic.

Additional: The Female Lead (Katherine) will be submissive to her mistress, but will be cold towards others. I plan on having some action, but mainly this will be a story about Katherine serving her mistress and leveling up her system.