Mushoku Tensei - Volume 21 Chapter 3 — Milis Church Headquarters

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

Li Yiyi never expected to be chosen by fate, being suddenly ripped from the modern times to the ancient times. It wasn’t a full-body transmigration, just a soul transfer. Heaven must have thought it would be too exhausting to send everything over, so only the essence got transferred.In ancient times, Li Yiyi became Li Suniang, a newly widowed woman with a young child. While technology in ancient times wasn’t advanced, the air was fresh and there was no need to worry about pollutants. All the food was purely organic with no pesticide residue or concerns about genetically modified ingredients.It was often said that widows attracted trouble, and sure enough, this young widow caught the eye of a scarred man in the village. Despite his fierce appearance, he turned out to be a gentle person. In the end, the scarred man married the widow and, together with her child, and they began a life filled with mutual support and raising a family.

“Even in oblivion, you all shall tremble at the demon that lies beyond...”---Beaten, betrayed, discriminated against, and then sent into hell. Those were the words that defined Khan's life, if he ever bothered to think about it.In a cold world where the hearts of people surged in preparation for the next cataclysm that had the potential to wipe out the entire world, who had the time to care for a feeble, golden-haired anomaly with no memories of his first ten years?Sent away from the orphanage with the mission to end his life, fate was still not satisfied with punishing him enough.He found himself in front of a demon god who raised children into killing machines, known to complete every mission irrespective of the danger.Among a group of madmen, he was the maddest, given the name “The Hollow” due to his unfeeling attitude.But in essence, all he ever needed was a place he could call home and when his life flashed before his eyes and he awakened his memories, he embarked on that path.-----“My origin might be ten thousand light-years away from Earth, but even if I have to walk on the corpses of a million to reach it, then so be it...”-----But now he won't be walking this dark path alone:[Congratulations, the Host has successfully fused with the system.][Congratulations, Host has awakened The Bio-Nanotech System!]--------[Also Check Out My New Novel: Infinity Guardian System]

Daytime belongs to the human world, while Deceit Night returns to the netherworld.Since the arrival of the sinister night, demons and evil spirits have brought disaster to humanity, and generations of our ancestors have struggled to survive.This blade of mine can eliminate evil, slay demons, defeat wickedness, exterminate devils, destroy evil!From now on, nighttime shall be like daytime!