Dan is teaching young Battle Spirits fans about the cards, but he is suffering from a thirst he cannot quench. “I want fierce battles! I want to fight someone even stronger!!” And then Mai appears. She asks him to come with him to an era in which he can Battle. The new stage for Dan’s fights is the future. The Earth is being encroached on by Otherworld Mazoku monsters. He reunites with the administrator Kazan who asks him to rescue humanity from the brink of disaster.

在与异界王决战后两年，“激突王”马神弹连夺多次比赛的冠军，成为一众玩家的憧憬对象，可是本人却因为没有强大的对手而感到空虚。在紫乃宫麻衣的引领下，弹前往了未来的地球。在那里，两年前遗留下来的异界魔族统治了大部分地方，弹为了将人类从魔族的统治下解放，需要集齐十二宫稀有卡。成为“人类的救世主”的弹能成功解放人类吗？