Yuma safely recovers "Number 96: Black Mist" from a man. Tetsuo, who witnessed the Duel, takes note that Yuma seems suddenly more brutal in his strategy, and ends up in a fight with him. Not having reconciled in over 2 days, suddenly Number 96 swallows Yuma and Astral up!! To rescue Yuma and Astral from Number 96, Tetsuo fights the Numbers for the first time!
| Title | Roots of the Problem |
|---|---|
| Genres | Animation Comedy Action & Adventure Sci-Fi & Fantasy |
| Release Date | 2011-08-22 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 1 |
| Episode Number | 20 |
| Production Companies | TV Tokyo, Konami, Gallop |
