Goddess of Ice; Reborn as Naruto's twin sister - Chapter 7: Change of Treatment

Arakawa Kouki is reincarnated to a Japan with a different history than the Japan he knows with the memories of his previous life still intact. Kouki was discouraged, “Aren’t reincarnation stories supposed to be at some fantasy world filled with swords, magic and elves?!”

Emperor Zi Yu used 5 strikes of his axe to split mountains and unify everyone underneath the heavens. He partitioned the land into 9 areas, thus establishing the Nine Cauldrons which eventually became known as the 9 prefectures.

Avery Asteria was far from having anyone's dream job. Family circumstances had him drop out of school and flying around the expanse of space looking for treasure among the discarded trash in an old ship his father had been restoring. It was far from glamorous work, but it was all he could do to earn the money he needed.He was not the only one looking for fortune among the stars, though. One day a score that looked too good to be true led to a run in with a band of pirates. With some quick wits and a bit of luck, Avery managed to escape the worst, but he ended up missing out on collecting the valuable salvage he had his sights on.Having lost a large chunk of his gear in his flight from the pirates, Avery seemed to be truly at the end of his rope. However, a twist of fate led him to discovering an experimental vessel that had been lost to the far reaches of space.With this new ship in his possession, his prospects were looking up. It had everything and more than what any spacefarer could want. And Avery was going to use it to become the leader of the greatest band of mercenaries in the galaxy.

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.