バック・トゥ・2068

そもそもなぜソウゴは王様を目指したのか？ 繰り返し見た夢の話をツクヨミたちに話すソウゴ。 そして、その夢の通りの出来事が起こる・・！空を覆う巨大メカ。 未来から現れるオーマジオウの僕、カッシーン。 ディケイドの介入により、ソウゴは未来に飛ばされてーー。

Why does Sougo want to become a king in the first place? Sougo starts to tell Tsukuyomi about the continuous dreams he's been having. Just then, a giant event, just like the one in Sougo's dream, suddenly starts to manifest! A giant mecha suddenly appears in the sky! The demonic king's servant from the future, Kasshine suddenly appears! And thanks to Decade's intervention during their fight, Sougo gets blown 50 years into the future...!