

Especially as in the Japanese version, it's his younger brother's theme he's whistling. whistling as Kaito strolls in, time frozen for everyone except him, the thug (who also has a Number), and Yuma. Number 56's holder is holding up a shopping mall then.

And despite being presented as an incorrigible Idiot Hero and novice, Yuma came up with the finishing move by himself, showing early on that he's got the potential to become a great Duelist. Following up is the winning combination: Yuma using Hope to attack Leviathan Dragon (whose ATK is higher than Hope's at 3000), only to negate his own attack so that he can double its ATK with Double or Nothing! and cleave through Leviathan Dragon with 5000 ATK. Episode 2's introduction of Number 39 pretty much commands you to cheer as it saves Yuma from the brink of defeat and cuts down Shark's Drill Barnacle.
