Mr. Heartland beschließt nach der Niederlage von Erazor und Chironex, sich an Yuma zu rächen. Er beauftragt Scritch damit, Yuma ein für alle Mal zu erledigen. Indessen sind Yuma und Trey unterwegs in Heartland City, wo sich Yuma vom Verlust seines Freundes Astral abzulenken versucht. Urplötzlich taucht jedoch Kite auf und versucht Yuma zu überreden, mittels eines Teleporters in die Astralwelt zu reisen. Kurz bevor der Teleporter startet, erscheint Scritch auf der Bildfläche …
As Yuma continues to put on a brave face around the subject of Astral, Flip builds a memorial for him to show everyone's respects. However, Yuma still refuses to acknowledge Astral's death, even when the others try to confront him about it. Just then, Kite appears before him, stating that they may find a way to bring Astral back, if they can find a way into Astral World to search for the Numeron Code. He states that they could use the coins left by Kazuma, which are believed to be fragments of Astrite crystals, to power an interdimentional gate to Astral World. He takes Yuma and Tori to the location of an interdimensional gate he and Quinton built, where they manage to convince Quinton to let him go, despite the dangers involved. As the preparations are made to send Yuma to Astral World, Heartland's third minion, Scritch, attempts to interrupt the experiment, challenging Kite and Quinton to a handicap duel. Quinton and Kite summon Number 9: Dyson Sphere and Galaxy-Eyes Photon Dragon respectively, while Scritch summons his monster, Number 2: Ninja Shadow Mosquito, which is hidden from sight.
