A mysterious arm reawakens the Greeed from their slumber and decides to use Eiji Hino, a cheerful wanderer, as his means of getting back what he desires as Kamen Rider OOO.

Ankh explains the Greeed and the purpose of the Medals to Eiji, even as the human desires to merely use his new power to fight for good instead of for selfish needs.

Ankh becomes troubled when Eiji prevents him from eliminating his possessed body's sister while another Greeed uses a man's gluttony to create more Medals.

Ankh threatens to leave OOO for Kazari and the Greeed while investigating the evolution of humanity while Eiji tries to find more about Hina.

Kougami asks for a share of Eiji and Ankh's Medals, while Mezool decides to use Hina's shopaholic classmate to create a new Yummy.

Hina confronts Yamano's shopping addiction when her father goes bankrupt while Ankh confronts Kougami about his share deal of the Cell Medals.

Eiji tries to research a husband bullied by his wife that is being mocked by Gamel while Ankh follows a lead for a missing Core Medal.

Eiji gets to the root of the Komoris' problem involving greed and loss of ambition while Ankh fights for survival after a failed confrontation with Uva.

A serial bomber tied to a nest of Yummies leads to Eiji to reveal his past to Hina and forces him to encounter a strange man he believes is Mezool's victim.

Eiji must figure the means of stopping the mad bomber and his Yummies to prevent any more lost lives, even with Maki observing the creation of his worker's monsters.

Eiji's traveler friend becomes manipulated by Uva into becoming famous as he steals others attributes; while Gotou doubts Eiji's effectiveness as OOO.

Eiji teaches a lesson to Tsukuba and Gotou about going forth to gain what is desired; while Ankh tries to figure a way to manage the flying Ageha Yummy using Gamel.

Ankh is at a breaking point with everything surrounding his human host; a highly sought after doctor has been repeatedly removed from the operating room, making her frustration a perfect target for the Greeed.

Both Hina's brother and the hospital director are in critical condition after Ankh's detachment and the Yummy attack. Eiji must find both Ankh and the affected surgeon before it's too late.

Ankh finds one of his core medals; Gotou is transporting a truck full of medals to Doctor Maki; Kazari appears to Ankh and Eiji, telling them that Hina is in Gotou's truck.

Eiji learns about how the Greeed were born; Gamel searches for Mezool; Kamen Rider Birth joins the fight.

The Greeed take an interest in a girl who wants to get better at kendo; Ankh takes an interest in Kamen Rider Birth; Hina gives both Eiji and Ankh gifts for saving her.

Eiji and Ankh try to find out the reason that the Yummy split in two, but Kamen Rider Birth is one step ahead of them.

Kougami tries to give Eiji one of Ankh's medals, but he refuses; a face from the detective's past shows up at Cous Coussier; thanks to Kazari, a criminal that the detective put away is on the streets and looking for revenge.

Ankh tricks Kazari by telling him that Eiji knows where his last medal is and then chases after Hina who has his own medal; Date and Gotou discuss the skills need to be Kamen Rider Birth; Kougami changes his mind and sends Ankh's medal to Eiji.

The Cous Coussier gang runs into a young boy getting attacked for telling off a man for littering, learning that it's something he picked up from his father; the Greeed creates a Yummy from the desire to help people.

Susumu lets his desire for justice get out of hand and it's up to Eiji to stop him before it's too late; Gotou and Takashi have a heart-to-heart conversation about their ideals.

Kazari is drawn to the vanity of woman whose sister takes all the credit for her work.

Eiji is head over heels for Yuumi and it's up to Date to save his old friend before she does something that she'll regret.

Ankh is acting more standoffish than usual; a boxer is forced into retirement just before a big match and is captured by a bird Yummy.

Eiji is still super beat up from the previous battle but he is the only one who believes that Ankh did not create the bird Yummy; Kazuki heads back to the ring as Date and Gotou rush to stop him from injuring himself more.

Kougami invites Eiji and Ankh over to celebrate the 1000th episode of Kamen Rider and decides to make a movie to celebrate; Kazari is drawn to a Shocker grunt who joins the movie.

Even though he's injured, Date still wants to finish directing the movie; Sendou starts sabotaging the movie with his new friends.

Kazari uses Dr. Maki's desire to make a Yummy; Gotou goes back to work; a strange monster shows up with Ankh's other arm.

Dr. Maki and Chiyoko have a heart-to-heart talk about his sister; Kazari takes Ankh's memoryless body under his wing; Kougami tells Gotou the story of the medals as Eiji and Date get Ankh to finally tell his story.

Dr. Maki and Kazari try to awaken a brand new Greeed; a man has been unknowingly using Greeed money to pay off an old debt; Eiji gets infected by purple core medals.

An x-ray reveals that there should be nothing wrong with Eiji; Date tells the others about the time he previously ran into Eiji; Eiji uses the purple medals.

Eiji is forced to use the purple medals again; an old friend from High School invites Eiji to an amusement park where Hina is then kidnapped; a Yummy abducts Date and Gotou.

Ankh tells Eiji about what his friend has been doing; a Yummy kidnaps Ankh; Eiji forces himself to use the purple medals.

Hina wins first place in a fashion contest and is offered a chance to study in France; Dr. Maki creates a Yummy that destroys people's dreams; Date collapses in battle and Kougami finds an interesting x-ray on his brain.

Hina's brother has woken up, leaving Ankh without a host; Eiji discovers Hina destroying all of her clothes after getting her dream broken; Uva revives Mezool and Gamel.

Gotou finds Date avoiding his checkup; a Yummy causes people all over the city to suffer from insomnia; Dr. Maki makes Date an offer.

Date joins forces with the Greeed; Gotou tries to raise the 100 million yen himself; a new Birth is born.

Ankh has nightmares about losing Eiji to the purple medals and other Ankh; a man has set up surveillance cameras all over the neighborhood, trying to force out Eiji and Ankh because they make the neighborhood look bad; now that Gotou is Birth, Kougami assigns Satonaka as Birth's new partner.

The Cous Coussier crew get thrown out of town where they decide to throw Ankh the birthday party for Hina's brother; the Yummy has holed himself up with a human barricade, forcing our heroes to wait until he surfaces again; the other Ankh waits for his other self to let his guard down so that he can become whole again.

Ankh is absorbed into a single body, but the two halves are still not completely whole; Eiji begins to wonder about his place in the Izumi family's life as Shingo tries to help him out in Ankh's place; Gotou helps Eiji on his mission to rescue Ankh, but Eiji is stopped by Dr. Maki.

Dr. Maki explains to Eiji about the process of becoming a Greeed and the dulling of the human senses, leading Eiji to discover that it is already happening to him; a Yummy is trapping people in ice and calling out for OOO's help, but HIna refuses to let him go; Eiji does battle with Ankh, destroying.his core medals.

After Ankh's cores were destroyed, he becomes in need of a body and yet again takes the detective's, also realizing that he's different now and creates a Yummy; Hina comes to the conclusion that she's been too selfish and reliant in regards to other people, making the decision to change and stand by Eiji no matter what; Ankh revives Uva and makes a deal with Dr. Maki to become his container of medals.

Kazari and Ankh butt heads over who is the leader of the Greeed; Hina and Gotou try to find Eiji's desire so that the purple medals will stop making him go berserk; Hina stops Ankh from taking medals from Eiji, but Kazari swoops in and gets the last of his nine medals; Eiji destroys one of Kazari's core medals, allowing Dr. Maki to steal the remaining medals from a weakened Kazari.

With Birth in need of repair, Erika retrieves the Prototype Birth driver in order to make do; because they are at a major disadvantage, Eiji and Gotou decide to go on the offense and attack the Greeed first; the other Greeed confront Dr. Maki and Ankh, with Mezool fully reviving and leaving Gamel, who also has the remainder of his medals.

Gamel rampages throughout the city trying to revive Mezool with one of her core medals; Eiji washes up on the beach with the purple medals acting up, and before he can find his driver, Ankh shows up to stop him from turning into a Greeed; Gotou has his Birth driver back, but he's in trouble and Erika gives the prototype to a familiar face.

Dr. Maki makes Eiji go berserk and fight Ankh when he won't give up the purple medals, but Ankh can't force himself to purposefully hurt Eiji; Ankh believes that one of his medals was broken by Dr. Maki and lets Hina know that her brother will be returned soon; Eiji discovers his true desire; Uva is fully revived.

Eiji receives a present from Kougami; Dr. Maki decides to make Uva the container for the core medals; Ankh returns to Eiji's side as they prepare for the final battle.

The new school year begins at Amanogawa High School, and Kengo Utahoshi is detecting strange energies around the school. And things get stranger when yankee-looking Gentaro Kisaragi transfers into the school and decides that he wants to be Kengo's friend.

Kengo reveals to Gentaro that he must turn off the Zodiarts Switch used by the person who activated it in order to truly defeat a Zodiarts. As Gentaro and Yuki search the campus for the owner of the Zodiarts Switch, she begins to tell Gentaro more about Kengo and how he came to have the Fourze Driver and the Astroswitches.

When the annual Queen Festival comes around, Gentaro decides if he wants to befriend Miu Kazashiro, he must convince Yuki to enter a talent contest that Miu wins every year and beat her.

Gentaro decides to help Miu retain her title as Queen and Fourze goes after the Chameleon Zodiarts to protect Miu.

While Miu intergrates herself with the group, JK finds himself being targeted by a Zodiarts and Gentaro finds a new Astroswitch difficult to use, the Elek Switch.

Gentaro finds out that JK was just using him for protection against the Zodiarts and has stolen the Elek Astroswitch but Gentaro is determined to show JK the power of frienship and help JK despite being tricked by the other.

Kengo, Yuuki, and Gentaro are forced to take supplementary lessons on a Sunday due to missing classes whilst defeating Zodiarts. Meanwhile, Shun grows angry with the Kamen Rider Club and Miu's involvement with them. JK and Miu try and hold down the fort whilst the others are in class.

Gentaro, Miu, JK, and Yuuki continue to track down the Hound Zodiarts, and Shun decides it's time to make his own choices about his friends and school activities.

Tomoko tells the group that the end of the world is coming- and that she will become the Luna Witch. When three witches and Tomoko start performing magic around the school the Kamen Rider Club must find out whether this is witchcraft or actually a Zodiarts.

Tomoko must decide whether to use a Zodiarts Switch to get her wish or help the others defeat the Zodiarts currently rampaging through the school.

Yuuki is targeted by a Zodiarts who is obsessed with her. Meanwhile, the locker which attaches the Rabbit Hatch to the school goes missing leaving Kengo trapped on the moon.

The Pyxis Zodiarts decides the only way to get revenge is to use his power to kill all the girls who rejected him, including Miu, by driving a bus with them all inside off of a bridge. Meanwhile, Kengo is still trapped in the rabbit Hatch.

Gentaro and the others decide to bring back those students who were Zodiarts to the school, starting with Toshiya Miura.

To save Miura from using a Zodiarts Switch again Gentaro must go up against one of the Horoscopes, Scorpian, a commander Zodiarts.

Yuuki is invited to join the Glee Club for a performance for the Kindergarten Class, however, her singing disrupts a fellow student in possession of a Zodiarts Switch.

The Perseus Zodiarts seems to be too powerful for Fourze to stop on his own, however, the appearance of the new Kamen Rider Meteor may change this battles ending...

After Kengo reaches a dead end in finding out the identity of the mysterious new Rider, Sonoda-sensei introduces new transfer student, Ryuusei Sakuta.

Ryuusei tries to gain membership to the Kamen Rider Club to further his own agenda but whilst most of the Club is fine with a new member, Gentaro is against Ryuusei joining...

Kengo has a fight with Gentaro due to his decision to let Ryusei for adjusting the Astroswitch (the reason of fight actually because trying to complete the imperfect Magnets Switch)

Gentaro and Kengo must find a way to overcome their rift before a powerful Zodiarts defeats both Fourze and Meteor.

With Sonoda still absent from the school Gentaro's class gets a new homeroom teacher who is far more interested in Kickboxing than teaching.

Gentaro and the others are convinced that their new Homeroom Teacher is the Zodiarts that is currently rampaging, however, Ryusei figures out that the culprit is not their teacher.

Gentaro and friends hear about a new hero from their classmate Norio Eguchi, who identifies the hero as Cygnus and also happens to be a member of the Ugly Duckling Society, a fan club dedicated to Cygnus. However, this new hero is not as good as he seems...

The gang must race to find out who the Switcher is- before the new 'hero' wipes out Fourze and Meteor to become the sole hero in the city...

Miu and Shun are due to graduate- however, it seems like it might not be smooth sailing as previous Zodiarts return.

Gentaro and the others protect the Prom for their friends who are graduating, while, Miu and Shun deal with the fact that they won't be part of the Kamen Rider Club anymore as they are going to college.

During Spring Break the gang decide to try and make the most of what should be a Zodiarts free time, however, Kijima tries to recruit Ryuusei to his side whilst playing a deadly game with students. And those who don't win are placed into permanent comas.

The Cancer Zodiarts threatens the members of the Kamen Rider Club now that he has attained the Supernova ability. While he still cannot transform, Ryusei discovers that Jiro's condition has taken a turn for the worse.

Gentaro and his friends enter the third-year class headed by Mr. Ohsugi, and Gentaro tries to befriend new first-year students Haru and Ran. However, Haru is given a Zodiarts Switch by the Libra Zodiarts.

Gentaro and the Kamen Rider Club must figure out how to deal with Haru as the Musca Zodiarts and Mr. Ohsugi's discovery of the Rabbit Hatch, along with the latter's confiscation of the 38th Astroswitch.

After the 39th and 40th Astroswitches are developed, Amanogawa and Subaruboshi High Schools hold a test transfer of some of AGHS's students to SBHS, which causes problems when the Aries Zodiarts makes itself known to the AGHS students...

After Gentaro's death at Ryusei's hands, Kengo does not know how to resurrect him as the Aries Zodiarts takes the other Kamen Rider Club members captive. Elsewhere, having betrayed Tachibana, Ryusei is able to talk to the revived Jiro.

The third-year class goes on a field trip to Kyoto where they believe they will be free from the Zodiarts for once, but are ambushed by the Libra and Leo Zodiarts. While there, Kengo meets one of his father's old friends. Meanwhile, a enamored girl is determined to snag Gentaro's heart, and poor Yuki is forced to help...

The Kamen Rider Club must work to stop the Libra and Leo Zodiarts from destroying the last two altars in Kyoto to destroy the city with The Hole's Cosmic Energy. In the process, Kengo finally learns the circumstances of his father's death.

With The Hole gone from Kyoto, AGHS is the focus of its Cosmic Energy and the other Horoscopes will soon be found. An internet radio show started up by the mysterious DJ Gene, soon discovered to be none other than JK, grabs the school by storm. He starts up a musical contest, which grabs the attention of the Kamen Rider Club and a fellow student who turns out to be the Capricorn Zodiarts.

Kamen Rider Fourze must defeat both the Capricorn Zodiarts and the Zodiarts' song that has enraptured the school, but with Cosmicstates out of commission after Gentaro's bond with JK is severed, can he find a way to rebond?

Gentaro, Yuki, Kengo, Tomoko, Ryusei, the student council president Sugiura, the former Pyxis Zodiarts Hiroki Makise, and transfer student Erin Suda are chosen for an astronaut test in a closed environment and endurance test, but Kengo's weak constitution and the arrival of the Aquarius Zodiarts cause trouble for the group.

Yuki passes under suspicious means, while Gentaro tries to convince Erin to not follow the path the Horoscopes want of her, as well as give up her hatred for Yuki.

Acting student council president Sugiura institutes a new set of rules that all students have to follow, severely limiting the freedoms the school initially allowed them.

As the Taurus Zodiarts, Sugiura continues to stifle everyone's creativity, but Ryusei (as Meteor) challenges to a game of golf to get everything back to the way it was, while Gentaro and Yuki try to find out why Yuta had changed.

The Virgo Zodiarts begins attacking other members of the Kamen Rider Club, scaring them away from the club, blocking Fourze from accessing Cosmicstates. However, Tachibana arrives on Earth to show Gentaro a way to fight with other abilities at his disposal.

With most of the Kamen Rider Club taken out of commission the Virgo Zodiarts, Gentaro and Kengo are on their own in their fight against Virgo after Meteor is sent to the Dark Nebula and the others distance themselves from the Club. And things get worse when the new powerful member of the Horoscopes, Sagittarius, appears...

Yuki starts acting stranger than usual, and when strange incidents gets traced back to Yuki, and Yuki somehow transforming into the Gemini Zodiarts, Gentaro begins to suspect something is up.

The Kamen Rider Club work to save Yuki from ceasing to exist as Dark Yuki begins to take her place as the real Yuki.

While celebrating Kengo's birthday, the Horoscopes have located their final member, Pisces, in Ran Kuroki, who has been given the chance to study abroad in America. But after Leo attacks, Hayami gathers the Kamen Rider Club to tell them the truth of what has been happening and prevent Ran from becoming the final Horoscopes.

Ran refuses to give her Pisces Zodiarts Switch that will finalize Gamou's plans, so he sends Tatsugami to take her Switch. Elsewhere, Kengo discovers a secret from the USB drive he found in the late Emoto's office.

With Gamou's scheme with all twelve Horoscopes Switches thwarted, Kengo reveals the truth of his origins to the Kamen Rider Club and his eventually parting with his friends. However, the Horoscopes attack the Rabbit Hutch to kill Kengo, getting the Kamen Riders to desperately fight back to protect their friend, who must go back to the Presenters.

With Kengo's death at the hands of Sagittarius Nova and the destruction of the Rabbit Hatch, a distraught Kamen Rider Club reads the final letter from the Core Child written before his death. A resolved duo of Riders must face the Horoscopes one last time to avenge their fallen friend and stop the Day of Awakening for good.

When strange magical creatures including something resembling the Minotaur begin to attack in Toriizaka, they are all confronted by a man with a strange ring and belt calling himself "Wizard".

While trying to battle the Phantom Hellhound, Haruto is accosted by Shunpei Nara, who wants to be a magician just like him.

Shunpei Nara decides to go on live television to show off his burgeoning magical powers while Haruto tries to deal with both the young man and Hellhound's attempts to attack him now that it is clear Shunpei is a Gate.

While trying to fight a new Phantom that has appeared looking for a new Gate, Koyomi is suddenly attacked by Medusa.

Haruto must find a way to defeat Caitsith before he converts Takagi while also helping Koyomi discover the truth of her origins.

Shunpei, the donut shop worker, and Wajima all fall for a woman selling power stones, but she sticks close to Haruto, particularly when a Phantom appears to be chasing after her.

Yamagata must remember where he first met Manami before she falls victim to Gnome and falls into despair.

After a mysterious white Garuda delivers a new Magic Ring and stone to Omokagedo, Medusa sends out Ghouls to attack a young boy who is suspected of being a Gate as Haruto finds himself facing Phoenix.

After finding out that Hiroki is the son of his old friend Mikiko, Haruto suggests that he watches over him until the Phantom case is solved. However, Phoenix attacks Mikiko instead of bringing Hiroki into despair and when Haruto realises this, he searches for his father.

The National Security Agency's Section Zero obtains a green Magic Stone, and so Kizaki abducts Wajima so he can commission his own Wizard Ring. At that time, a Phantom arrives to create a new Phantom from a child traveling from Akita to Tokyo, leaving Haruto alone on his mission.

While hunting down Gargoyle and having to deal with Kizaki, Kamen Rider Wizard appears to fall into a trap set up by Phoenix.

After receiving a new Magic Stone from Kizaki, Shunpei believes that Haruto's abilities are getting better enough for him to start teaching him magic. Meanwhile, a high school student named Tetsuya begins an apprenticeship at a wagashi store and is targeted by the Phantoms.

As Haruto must keep Valkyrie and Medusa from placing Matsuki in despair, Shunpei questions his worth in helping in the fight against the Phantoms.

As Haruto fights a familiar Phantom on a film set, Koyomi starts to think that she remembers some of the people involved in the filming.

Haruto must stop Lizardman from bringing Chizuru into the depths of despair while trying to figure out what Satoshi's plans are.

Around Christmas time, Misa locates a new Gate in the form of a young man with a Yankee fashion sense named Tatsuro, and Haruto must get to the bottom of what his hopes are in order to protect him from becoming a Phantom.

Both the Phantoms and Haruto keep an eye on the mysterious young man Kosuke Nitoh.

Haruto's and Kosuke's differing ways of handling things, from how to approach the issue on Phantoms to even eating doughnuts, causes a rift between the two magicians.

The three-way battle between Kamen Rider Wizard, Kamen Rider Beast, and the Phantom Hydra continues, with Oikawa's livelihood at stake as he is on the verge of becoming a Phantom. To try to get Kosuke to change his mind, Shunpei and Rinko tell him what really happens to Gates when they fall into despair.

While Haruto tries to help Shiho, a housewife whose life is falling apart around her after being attacked by Ghouls and the new Phantom, Rinko tries to discover the identity of a young man who got into a drunken fight, without knowing that he is the Phantom Phoenix.

Kamen Rider Wizard takes on the Beelzebub Phantom. Meanwhile, Rinko discovers more on the identity of Yugo, and discovers what had happened to him.

When Rinko disappears and all that's found is her bloodied ID, Haruto seeks out her attacker, unaware that Yugo has disobeyed Wiseman and acted on his own volition, with Rinko in the way of his goals.

With Rinko's life on the line, Haruto readies himself for a battle with Phoenix who has become more powerful, despite Kosuke's intention to take Phoenix's magical power for himself.

Kosuke's grandmother, Toshie, has appeared to visit him, but things get personal when she and Shunpei are targeted by the newest Phantoms.

Gremlin and Weretiger keep Shunpei hostage and offer to free him in exchange for Toshie. Meanwhile, Kosuke has a crisis over his choice to become the Ancient Magician, as it has brought danger to his loved ones. Toshie, however, is willing to give up her life to free Shunpei...

Kosuke discovers Medusa's true identity as the school-aged girl Misa and attacks her, only for Rinko to arrest him. Going on the magician's hunch that she's after another schoolgirl as a Gate, Haruto and Shunpei attend the school to try to thwart Medusa's plans.

When it is discovered that Mayu is the twin sister of Misa, the girl who has become Medusa, Mayu makes it her mission to seek out the one part of her sister that is still alive within Medusa, even though Haruto believes it is better to save Takako first.

Kosuke is meeting an archeologist to get the new Beast Color and a gun-like weapon. However, the BeastDriver is suddenly stolen. To make things worse, Gremlin and a new Phantom appear to defeat the magicians.

Kosuke must find a way to retrieve his Beast Driver and Wizard Rings back from Spriggan while Chimera tells him about his chance to eat him alive.

Gremlin unleashes a dangerous Phantom who assumes form of a man called Naitō. But unlike the Phantoms Haruto and Kosuke had faced before, Naitō is attacking humans without discrimination.

With Legion too strong for even Kosuke to battle, Haruto must find a way to restore Wizardragon's powers before Legion strikes again.

Nitoh's high school friend Tsuchiya arrives in town, having discovered a job offer that will pay ¥1 million for a day's work. Nitoh joins him on the interview, but Haruto and Koyomi suspect something is off.

Haruto and Nitoh must race to Tokyo to save Tsuchiya, who has won a shopping spree at a mall, as well as 5 other contestants, from falling victim to the Phantom Bogy.

While Haruto and Rinko send by Kizaki to investigate Gremlin's human identity as Sora, Nitoh and Shunpei help save a young woman attacked as a possible Gate, only to discover that she is their favorite fashion model Chiaki. Meanwhile, Gremlin is acting stranger than usual...

With Chiaki revealed to be the Gate sought out by Argus, Omokagedō group tries to figure out what her despair may arise from, with Nitoh believing it may be her loss of popularity. Elsewhere, Haruto has met with Sora, the Gremlin Phantom, and upon realizing that not is all it seems, asks Rinko and Section 0 to investigate, and they discover what exactly happened to Sora Takigawa, as Haruto suspects the Phantom still has his human mind.

With Sora's words in mind, Haruto meet Wiseman to get answers. Meanwhile, Rinko investigates an arson case with Shunpei, only to discover that a man with a caged myna bird may be a Gate.

The group must protect Nemoto from both the Phantom Raum and the police who want to question him on an arson case. However, can they clear Rinko's name before it's too late?

When Haruto goes to save a soccer player from a Phantom, the man recognizes him, and Haruto's former dreams of being a professional soccer player are revealed. Elsewhere, a well-dressed man enters the Omokagedō, although his reasons are not clear.

With Kazuya in the hospital, Haruto must find a way to defeat the Phantom Bahamut, even though the Phantom is much too powerful for him as Kamen Rider Wizard. Meanwhile, the mysterious Fueki commissions a Wizard Ring from Wajima.

While Rinko tries to investigate Fueki, Nitoh starts to teach a boy named Yuzuru to ride a bicycle after he watches Kamen Rider Beast battle a Phantom and his Ghouls with a mountain bike.

With Mayu now as Kamen Rider Mage, she focuses her attention on her former sister Medusa, with Haruto asking her what her true goals are now that she is a witch. Meanwhile, Sylphi continues its attack on Yuzuru, just as White Wizard gains interest in him as well.

Haruto is alarmed to find Kizaki has disappeared after he has been asked to search for Fueki, who kidnapped Yuzuru to seek out another person worthy of becoming a magician. After Kamen Rider Wizard saves Saionji, a novelist, Saionji reveals he is looking for a young woman to give him the inspiration to write again.

Saionji reveals it is Koyomi who he has been looking for all this time, saying he met her once 10 years ago. Meanwhile, Sora warns Nitoh about White Wizard, and he prepares to face him in battle as Kamen Rider Beast and Beast Hyper.

Haruto discovers that Koyomi is the daughter of Fueki, but he keeps this to himself. Meanwhile, elementary school teacher Yoshikazu Kumagai, who comes to the Omokagedō to purchase an antique toy plane for his late son, is discovered to be a Gate when he is attacked by the Phantom Siren.

Haruto must split his attention on saving Kumagai from Siren while they try to find a toy for his son and revealing what he knows to Koyomi about her past. Meanwhile, a red crack appears on Koyomi's hand. What does this mean? Medusa and Mayu face each other again.

Mayu approaches White Wizard asking to become stronger so she may defeat Medusa. Haruto and Nitoh have trouble battling a fast moving Phantom. Sora approaches Haruto at Hungry, inquiring as to whether or not he has found out about Koyomi's past.

Even though Haruto reveals that Koyomi is Fueki's daughter, the group keeps their mission to save Yamamoto from Arachne, particularly when his pregnant wife Aya goes missing.

With the knowledge that Fueki is not only White Wizard, Koyomi's father, and the Phantoms' leader Wiseman, Haruto, Kosuke, and Mayu work together to try to discover his true plans.

With Yamamoto and Yuzuru both Kamen Rider Mages under White Wizard's thrall, Haruto and Koyomi are kidnapped to begin the new Sabbath. After Kosuke is approached by Beast Chimera in his dreams, he goes to assist Rinko and Shunpei to help save Haruto and Koyomi.

Haruto finds he must battle White Wizard on his own for Koyomi's sake after Kosuke uses the last of his mana to disrupt the Sabbath. Elsewhere, Yuzuru and Yamamoto come to their senses and plan to fight alongside Mayu and Haruto for Kosuke.

With Gremlin in possession of the Philosopher's Stone, Koyomi dies. However, Fueki says that the light in Haruto's heart is the true Philosopher's Stone. Meanwhile, Gremlin, now evolved, goes on a rampage, and Kosuke cannot battle to save anyone or even himself from the monstrous Phantom.

After Gremlin's defeat, Haruto is lost in the World of Kaijin, a parallel world where it is inhabited by monsters created by an entity called Amadum who wants to steal the powers of the Kamen Riders for himself. Using the Legend Rider Rings, he will summon 13 Heisei Kamen Riders.

Haruto and Kosuke must defeat Amadum before he can use the Rider Rings to transform their world into a kaijin's paradise.