In the year 2000, vampires revealed themselves to the world.They did not come as conquerors. They came with terms.Peace, protection, and coexistence - in exchange for a single agreement: all children born thereafter would be scanned for a rare birthmark known as the Echo Mark. A mark so uncommon it appears only once in generations. A mark said to belong to one person alone - a mate.For centuries, King William Stone ruled from the shadows, patient and restrained. Immortal, powerful, and bound by laws older than history, he believed that choice mattered more than fate - even when fate itself left a mark.Far from castles and crowns, Katie Parker grows up in a changed world. One where vampires are taught in schools, debated on the news, and carefully regulated by human law. Her family lives quietly, humbly, never imagining that the mark she was born with could matter. The odds are impossibly small. Almost impossible.Until the day they no longer are.As an ancient system begins to move, a single decision stands between tradition and consent, destiny and choice. Because in a world where mates are written into flesh, the most dangerous thing of all is not power - it is patience.The Echo Mark: When Your Mate Answers is a slow-burn vampire romance about waiting, agency, and what it means to choose love when eternity is watching.Perfect for readers who enjoy:Intelligent vampire fictionSlow-burn paranormal romanceConsent-driven love storiesImmortal x human dynamicsWorld-building with emotional depth