A mysterious aquamarine gemstone, the Mermaid's Scale, surfaces in a secretive underground auction. Lupin is pressured by the gem's owner to pilfer it, only to find that the stone is a fake. The real Mermaid's Scale is instead part of an enigmatic puzzle that holds the key to defying mortality.
Lupin the III: Blood Seal ~Eternal Mermaid~
The mysterious Mermaid's Scale, a highly prized aquamarine gemstone, is showcased in a clandestine underground auction. However, the gem's owner forces Lupin to steal it, only for him to uncover that the stone is a fake, and the authentic Mermaid's Scale is linked to an unsolved my...
