All of a sudden, communication with Satellite Zea have been cut off! An investigation further reveals that someone is intentionally jamming the frequencies! Izu summons the Doctor Humagear Bot, who is responsible for Humagear systems manufacturing and development, to the Hiden Intelligence lab to diagnose the issue. Furthermore, they start an investigation into Horobi's sudden disappearance from his containment within the A.I.M.S. facility! "I didn't create him to be a terrorist..." Bot's words reveal that he created Horobi, the Humagear who would become the archetype for Mestuboujinrai.net, as he unravels the history behind the Zero-One system! Meanwhile, a mysterious Kamen Rider stands on the roof of Hiden Intelligence...