The Ideal Sponger Life Vol. 16 (manga)

Princess Freya has arrived in the Twin Kingdoms, aiming to purchase enchanted items for her journey home. Lucrezia smells an opportunity--she advises the foreign princess to negotiate a deal with her own Broglie family. But just when things seem to be headed towards a smooth conclusion, the Marquis Broglie produces an unexpected treasure. It's a magical item of incomparable value, a Relic from the White Empire of yore! Just what kind of ulterior motive is at work here?!