ガオガオゾーンにいるという勇者を探すラムネス達の前に、いき倒れ同然の獣人の少年ミト・ナットが現れた。ミトに食事を与え、仲良くなるラムネス。そんな時、邪霊騎士が出現し、ピンチに陥ってしまうラムネス達。そんな彼らをミトとお供のスケ・バーン、カク・レンボが操る神霊騎士グラフサンダーが救って…。
In front of Ramnes and others looking for a brave man in the Gaogao zone, Mito Nat, a beastman boy who seems to have fallen down, appears. Ramness who feeds Mito and makes friends. At that time, the evil spirit knights appear and Ramness and his friends fall into a pinch. Mito and his companion Suke Burn and Kaku Rembo's knight Graf Thunder save them.
