Phantom Thief Nightmare steals the Golden Lion statue from Viridian and Kaitou Joker and Hachi was about to steal it. The girls fall in love with Nightmare and Kaitou Joker and Hachi were confused

Kaitou Joker: What the heck is he doing?

Hachi: He's showing off

Viridian: Phantom Thief Nightmare, the number one phantom thief in all Italy. It's said that anyone who sees his face will have their hearts stolen by his charms.