The Wren in the Holly Library

In a world transformed by the emergence of monsters, Kierse, a talented and daring thief, breaks the Monster Treaty by infiltrating the Holly Library, unaware of the perilous entity that resides within. Encountering a charming yet terrifying creature, she finds herself entangled in a high-stakes bargain that threatens her freedom and life. As they navigate this treacherous alliance, Kierse must confront the dark legacy of the monsters and the risks that come with playing their game.