Avatar Online - Chapter 29: Secrets

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Nicholas Marjan—known as Niels—was once an Asian football-obsessed loner in the modern world. A master of FIFA Career Mode, addicted to tactical YouTube breakdowns, and endlessly chasing transfer window drama, he lived the beautiful game from behind a screen.Until the day he died.Reborn in the late 2000s in a small European country, Niels wakes up in the body of a once-promising young footballer whose career was tragically cut short by a brutal ACL injury. With no chance to play again, and haunted by the weight of lost potential, the only path forward is through coaching.Now an assistant at a struggling lower-league club, Niels carries two things no one else has:-Knowledge of football’s future-A mysterious cheat-like instinct for scouting raw, hidden talentAs he begins to make waves with his unique coaching style, Niels catches the attention of the football world. Offers from top-tier teams in the top five European leagues come rolling in. With a growing reputation, Niels sets out to transform not just one team's fate—but to leave his mark on the biggest stages in world football.

As long as the land is square, Yan Bicheng should divide the world into four parts.
The dark organization “Ruyimen” has abducted children for many years, trained them as assassin agents, and sent them to the families of various countries for use in order to collect a lot of secrets, and gradually extended their evil hands to the court.
Feng Xiaoya, the favored minister of the King of Yan, suffers from bone melting disease. She is unparalleled in her “sickness and beauty”. For some reason, she abandons the eleventh wife, Qiu Jiang, and puts her under house arrest in the mountains. Qiu Jiang, who has forgotten his past, fled alone on a stormy night. After several twists and turns, on the way back, he met Yi Fei, the third prince of Cheng who was in trouble in a foreign land.
One wants to regain memory, the other wants to regain the throne. The two people who are incompatible with each other walk side by side towards Cheng in a bloody storm… but they find that the Ruyi Gate, which has been entrenched in Chengjing for a hundred years like a poisonous snake, seems to have undergone an unknown shock… …
The situation of the Four Kingdoms is back, and there is only one goal – to eradicate the evil organization Ruyimen!
However, as Qiu Jiang’s memory slowly recovered, a unparalleled secret finally surfaced…
Mrs. Ruyi, who is it? There is another mystery behind Ji Ying’s death?
What is the purpose of this return journey after a narrow escape, and where does it go?

- Description from novelbuddy

Once upon a time, a hero had been summoned to a different world in order to defeat the demon king. After the war stretching 3 years ended the commendable hero slew the demon king. And he was forcibly deported back to earth after being dismissed.

Such bullshit!

Elves in addition to beast race, dwarfs and demon race. Even though I wanted to make a harem in the different world I saved! My dream will not come true on earth, where there is no magic at all. Thus, the hero returns on his own. Without the blunder of being extradited to earth this time, he will build a harem of his own in a different world.