The time has finally come for Princess Henriette to marry the devious Prince Liberto! Marielle and Simeon join the royal entourage accompanying her to Lavia, but right as they reach the capital, their carriage is redirected to a disused, inferior palace. After much confusion, the culprit behind this snub is revealed to be Grand Duchess Arabella of Lavia-Princess Henriette's future mother-in-law! Tension is brewing before the wedding even begins, and when the dastardly Lutin appears on the scene, Marielle knows that an insidious plot is afoot. A shadow lurks among the historical ruins of Lavia's capital city, threatening to darken Princess Henriette's big day. Can Marielle shield the princess from sinister actors both inside and outside of Lavia's royal family? This is the twelfth volume in the adventures of the now-happily-married fangirl!