積讀家(적독가)

A murder in a luxury Paris hotel sets off one of Arsene Lupin's most dangerous adventures. When wealthy magnate Rudolf Kesselbach is found dead under mysterious circumstances, suspicion falls on the legendary gentleman-thief himself. Yet the crime is only the surface of a much larger plot. Hidden identities, stolen jewels, and the enigmatic code "813" all lead to a conspiracy powerful enough to shake Europe.