After I Transmigrated into a Book, the Princess Took the Snake King as Her Underling

[Transmigrate into a book + Beast World + cultivation + Snake King + princess + sweet romance]

Ling Xi, an orphanage-raised police detective, accidentally transmigrates into a book and enters a Beast World dynasty, where she becomes the noble yet widely reviled Seventh Princess of the Snake Clan!

To return to the modern world, she has no choice but to defy fate and raise a sickly, possessive Snake King while winning over a loyal, devoted poison doctor. She means to follow the plot, but one unexpected turn after another keeps throwing everything off...