Ep. 138: Pompeii's Secret and the Treasure

138

No thief has ever succeeded in stealing the secret gem of Pompeii's nunnery; it's guarded by venomous snakes. Even Arsene Lupin gave up on it, since he hates snakes. But Lupin takes on the challenge. Will Lupin succeed? And what kind of secret gem is it? (Source: Crunchyroll)