The hijacking happened! Yuantai and Xingshi, who was imprisoned by the mastermind Azuma in the forbidden place Area 666. The Igarashi Fumihiko siblings went to the forbidden place to save their parents. Azuma, who stands in the way of the three siblings, is transformed into the masked knight Damon Daimon, judging the survival of mankind. At the same time, the mysterious scientist Waihai, who appeared in front of Yuantai and Xingshi, uncovered the purpose and pursued the Igarashi Fumihiko family. The trap set leads to a miracle when the biggest crisis is approaching.