The Crown's Entrapment - Chapter 3

Soyun enters a place called Wonderland inside a book through her dreams but for some reason, Alice was dead?! Soyun is forced to become ‘Alice’ in order to help the winter rabbit in the book and tries her best to escape the book.

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

[Mature Content]Khalifa Fei, a famed water mage, suddenly woke up into a stupidly enjoyable book about the undead.Although she transmigrated into a cannon fodder who didn't even have a name in the book... she really didn't mind.After all, how could she possibly miss watching the book she liked in the flesh??What she didn't expect was that there would be so many... distractions along the way.Would she even be able to prepare properly with all these men pulling her to bed?

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates