Arifureta Shokugyou de Sekai Saikyou (WN) - Chapter 408

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

Dorian was out celebrating his college graduation when a car slammed into him, and darkness took hold.

Levelling up?Gods System?After dying from overwork, Harry awakens in a world where humanity fights for survival against relentless alien invaders, each person’s fate determined by a power they awaken on their tenth birthday.With his own tenth birthday looming, Harry chooses a seemingly weak ability, a decision that marks him as an outcast.But beneath the surface of this unassuming power lies a connection to ancient gods and a potential far beyond anything the world has seen.Armed with the mysterious System of the Gods, Harry must navigate a world teeming with treachery and secrets, where betrayal lurks around every corner. The alien threat, ever-adapting and evolving, doesn’t rest, growing stronger with each passing moment.As Harry struggles to master his newfound powers, he uncovers dark truths about the origins of the alien invaders—truths that could shatter everything he thought he knew.The fate of humanity teeters on the edge, and Harry’s true awakening is only just beginning.

Florentia was reincarnated as the illegitimate child of the richest family in the empire.