In the kingdom of Vaeloria, loyalty comes with a price, and the Obsidian Vale—the crown’s elite guard—serves under a deadly curse that punishes hesitation with death. Y/N, trained from childhood to suppress every feeling, is chosen as the personal guard to Crown Prince Kaelen Drosven, whose quiet devotion threatens to unravel everything she has been taught. In a world of shadows, blood, and secrets, love is forbidden, survival is uncertain, and every choice could be their last.