My Disciple Is No Simpleton

Shen Ling transmigrates into a book, specifically a so-called "healing novel." How is it healing? At the end, everyone who has appeared in the story is gone, except for the heroine. To avoid becoming a disposable pawn in the plot, Shen Ling packs up and runs, determined not to get involved in the story at all. She opens an unassuming shop selling unremarkable wares, living a carefree life on her own. Along the way, she takes on a few apprentices and teaches them for fun. Until one day, she realizes that her apprentices might very well be the plot's disposable pawns... "..."