The kingdom of Elida has known peace for generations—but beneath the royal castle sleeps an ancient force, the Sentinel Titan, bound to the rare lineage of Keepers. Few know the truth of its power, and fewer still understand the responsibility it demands. You are Y/n, a young library assistant brought to the castle after your parents’ mysterious deaths. Your days are filled with books, quiet study, and the guidance of Hange Zoe, the royal researcher who seems to know more than she reveals. The