Rib Katsuyama
100 years in the future, the descendants of Daigo, Ian, Nobuharu, Souji, Amy, and Utsusemimaru must fight back against the revived Deboth.
Koichi (Kenichi Endo), who destroyed the corrupt Tatsuta group with his brother Toma (Sho Aikawa), disappears from the front stage to protect his younger brother Takayuki (Yuta Sone) who got involved in the incident. did. Meanwhile, the Kansai Kijinkai began to exercise political power and plan to advance into the Kanto region.
A high school student, Miki, loves paranormal phenomenon. She hears a strange rumor about a small shrine. A phantom appears everytime someone tries to destroy it. Getting an archaeologist, Reiko Kaguya, involved, Miki starts investigating it. In the midst of it comes a unisex girl named Hekiru out of nowhere. As Miki digs deeper, she witnesses the unbelievable. A national treasure 'the Sacred Mirror of Prince' was stolen. Reiko and Miki dare to investigate it to retrieve.
Bizarre water starts attacking people. Miki, a fan of paranormal phenomenon, stands up to find out what's going on. Victims have one thing in common; try to catch Hekiru. While Miki protects her, the water attacks Reiko. Without Reiko's help, Miki and Hekiru get isolated. In the 11th hour Hekiru transforms into a monster. A man in black is watching Hekiru, now a monster, from a distance. The Self Defense Force attacks Hekiru.
Hiyori from 7 Years Ago
1999年、地球に衝突した巨大隕石は海の大半を蒸発させ、同時に地球外生命体・ワームが隕石から出現、瞬く間に広範囲を支配した。人類は対ワーム組織・ZECTを設立。マスクドライダーシステムを開発し、戦場に投入した。 それから7年後の2006年。深刻な水不足に陥った地上でワームとライダーの戦いが続く中、ZECTに反旗を翻す一部メンバーが新組織・NEO ZECTを結成。ZECTはNEO ZECTの粛清に乗り出す。ZECTのライダー大和鉄騎＝ケタロス、矢車想＝ザビー率いる部隊に追いつめられるNEO ZECTの織田秀成＝ヘラクス、風間大介＝ドレイク、北斗修羅。そこへ天道総司＝カブトが乱入し、戦況は新たなる段階を迎える。 折しもZECTでは、巨大彗星が地球に接近する情報を掴んでいた。この彗星を引き寄せれば、地球に莫大な水を獲得でき、ZECTは益々権力を強めることができるのだ。ZECTは「天空の梯子」と呼ばれる軌道エレベータを用いて、「天空の梯子計画」を発令。天道よりこの情報を得たNEO ZECTも、ZECTの支配力増加を抑えるべく、計画の乗っ取りを画策する。
