MTL - Bestial Blade - Chapter 17 Dead guest

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.

“You are the Yan family's heir. From now on, you are a boy, not a girl.”From the moment Yan Xiuran could walk, those words defined her existence.As the eldest child of the Yan family, she was never allowed to be weak, never allowed to make mistakes, and most of all—never allowed to be herself.For twenty years, she lived as the perfect son—ruthless, brilliant, unstoppable.Until the day she was no longer needed.Her sickly half-brother recovered.Overnight, she was framed for crimes she didn’t commit. Branded a traitor. Disowned and exiled.“You were never my child. You're a bastard.”Stripped of everything, Yan Xiuran vanished.Five years later, she is no longer the forsaken heir but Li Xiyan, a nameless medical student with no past.But fate has other plans.Assigned to care for the fragile daughter of Shen Yuze—her family’s greatest rival—Xiyan is dragged back into the world she swore to abandon.Shen Rui clings to her.And her cold, calculating father? He refuses to let her go.“Stay by my daughter’s side, and I will give you everything your family took from you.”Her family abandoned her.Now, her enemy treasures her.

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

Battered, injured, jaded and marvellously wreaked. Luis Lee was one of the powerful ability users during the chaotic time of the apocalypse but that was until he found himself reincarnated in a magical world full of hunks and gorgeously powerful moon elves. At that moment he thought, “Let's live a slow slutty life, (b)itches!”These long-eared hotties needed him for something and the new moon elf lord was determined to do nothing.However, an obnoxious system was added into the mix saying that he is reincarnated in a world of a book.System administrator: This world will usher an Apocalypse after a decade. So enjoy your stay (b)itch.Few days old moon elf lord: Will I ever get a proper rest?A story of a perverted soul who just wanted to get laid starts now.