The Rise Of A Porter - Chapter 164 - Blood Concoction(2): Into The Swamps Arc (19)

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

[[MATURE AND DISTURBING CONTENT, R18+!!]]In a mysterious and mesmerizing tale, Charlotte, a young fair lady with a passion for art, is thrust into the world of intrigue and danger on her 18th birthday. After making a daring escape from her family's sprawling mansion, she finds herself at the mercy of the notorious Madame Dorothea, who offers her freedom in exchange for her aid in a mysterious case.Together with the mysterious noble woman, Charlotte must unravel the secrets buried in the grim and mysterious case of the Calestinia family by the request of the countess in exchange for her desired freedom.[Read the story to find out what happened.]Content/Trigger Warning: This story contains violence, heinous crime, swear words, and other disturbing scenes. Please be guided that the author had already warned you.Advertisement: This is a work of fiction. Names, characters, places, laws and incidents either are products of the author's imagination or are used fictitiously. Any resemblance to actual events or locales or persons, living or dead, is entirely coincidental.ALSO AVAILABLE ON: Wattpad [[AWARDED AS THE AMBY AWARDS QUALIFIER]]Wattpad Username: Signora Dmitrei

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates