Season 1

After the president of Hiden Intelligence passes away, his grandson inherits his company alongside gear that will transform him into Kamen Rider Zero-One.

A.I.M.S. drops by Hiden Intelligence to ask the new president some questions about the amusement park incident when they are attacked by a Huma Gear.

Aruto tries to get a stubborn sushi chef to use a Huma Gear in his shop when Yua shows up and appears to be on Aruto's side.

Aruto and Is join a bus guided tour around Daybreak Town in order to observe the workplace of the tour’s leader, a bus guide Humagear named Anna.

Aruto and Izu deliver a new Huma Gear to a famous manga artist and believe that he has lost his passion.

Horobi gives Jin permission to go after one of Zero-One's Progrise Keys, but he freezes up when confronted a Huma Gear and her father.

Aruto is called in to reset a Huma Gear basketball coach after the school gets complaints from the parents.

Aruto gets an examination by a nurse Huma Gear when MetsubouJinrai.net plot to assassinate Yua.

Fuwa is being rushed into surgery when Hiden Intelligence orders all hospital Huma Gears be shut down because of MetsubouJinrai.net.

Hiden Intelligence funds a TV drama with a Huma Gear as the lead; Fuwa learns that Yaiba was the one to leak the Huma Gear footage.

Horobi takes control of Enji, affecting production on Hiden Intelligence's drama; Aruto meets with the head of ZAIA.

The police learn of Aruto's secret lab when a Huma Gear detective shows up to help solve the case.

Shining Hopper is not as powerful as it should be and Izu takes full blame for its failure.

After Aruto uses his bike outside of work hours, a pair of Huma Gear from Satellite There pay him a visit.

Aruto teaches Izu and Subaru about family when A.I.M.S. unleashed an assault on MetsubouJinrai.net.

Aruto and Jin have their climactic battle and afterwards all seems like it's back to normal.

The president of ZAIA issues a challenge to Aruto over the acquisition of Hiden Intelligence.

Fuwa accuses Yua of fixing Horobi; Aruto learns that ZAIA's representative cheated in the contest.

ZAIA issues their second challenge to Hiden with the task of selling houses; Fuwa tries to find Horobi's other accomplice.

Smile is fixed when a huge offer is put forth in the house selling competition.

ZAIA and Hiden's third competition will take place in a courtroom, with a Huma Gear defense attorney going up against a prosecutor equipped with ZAIA spec.

ZAIA looks like it has the case as good as closed; Gai plans to sabotage the Zero-One powers.

Chiharu comes to Aruto in search of a Huma Gear that can find her a husband.

Fuwa gains access to a powerful new form, allowing him to fight more effectively against growing threats.

Izu is not feeling well and so she calls a Huma Gear doctor to fix the situation.

Gai decides that the fourth round of the contest will be one that involves firefighters.

Hiden employees are trapped in a burning building and a human and Huma Gear must work together to save them.

With one round in the competition left, Hiden calls forth the help of a rapping Huma Gear.

Aruto must sway the people's opinions of Huma Gears back to his side before the contest concludes; Fuwa learns just who is inside of the chip in his head.

Gai has taken over Hiden Intelligence and issued that all Huma Gear be scrapped.

At his new company, Aruto is tasked with bringing back the Huma Gear, G-Pen.

When Aruto brings back a fashion model Huma Gear, Naki is questioned with being a tool versus having a dream.

Fuwa brings Aruto an illegally dumped Huma Gear when Gai orders Yaiba to take him out.

Yaiba works with Jin to free Naki from Fuwa; Aruto's visit to a greenhouse is interrupted by Horobi.

Horobi protects Jin by way of his own will; Naki tells Fuwa what his real past was like.

The Ark takes over Horobi's body and sends Yaiba to the hospital; Fuwa struggles with now knowing that his family is not dead.

Ark sends Naki to pay a visit to Gai; the vice president of Hiden enacts a plan to take back the company.

Aruto comes to the rescue when Gai locks himself in the lab, wondering if Gai actually loves Hiden Intelligence.

Gai tries to atone of his wrongdoings; Ikazuchi appears to have reached singularity.

Izu begins reliving a day where Ark keeps killing Aruto.

With Hiden Manufacturing destroyed, Aruto plans to start from the beginning again; Jin tries talking reason into MetsubouJinrai.net.

Izu has a dream of Horobi becoming Ark and goes on her own to reason with him.

Everyone is questioning just how much influence Ark has on Aruto while Horobi sends a message to rally all Huma Gear.

Horobi sends a message to the entire city; Fuwa attempts to reason with Aruto; ZAIA's president plans to use force on the Humagear.

The battle between Aruto and Horobi represents all-out war between humans and Humagears.