Chapter Summaries

In a dark-ending bonus chapter outside the main story, Senba Gari found a red-haired girl murdered in a park and demanded to know who had killed her. The scene left μ's and Senba grieving the loss of their friend.

• After training, Senba Gari parted ways with Honoka Kosaka and the others near Otonokizaka.
• Around seven that evening, Senba Gari arrived at a park and saw a red-haired girl lying dead in a pool of blood.
• Senba Gari demanded that Takai Geki tell him who had killed her.
• Honoka Kosaka, Minami Kotori, Umi Sonoda, Eli Ayase, Nozomi Tojo, Yazawa Nico, Hanayo Koizumi, and Rin Hoshizora grieved the girl's death.
• Mari Nishikino grabbed Senba Gari by the collar and demanded to know who had done it.

After Maki Nishikino was murdered, Takai Geki and Senba Gari investigated a strange wound and found blood on a tree, leading them to suspect a Mlortha weapon. Further attacks killed the Nishikino family, Honoka Kosaka’s family, Hanayo Koizumi, Rin Hoshizora, and Umi Sonoda, leaving Senba Gari overwhelmed by grief and unable to protect those around him.

• Takai Geki examined Maki Nishikino’s body and suspected the killer had used a long-range weapon, while Senba Gari searched for a motive.
• Senba Gari found Maki’s blood around a small hole in a tree, and he and Takai Geki concluded that a Mlortha weapon might explain the wound.
• At Maki’s funeral, Senba Gari struggled to comfort Mari Nishikino and the others as Kotori Minami urged him not to push himself too hard.
• Honoka Kosaka returned home and found her family murdered, while Senba Gari was later held back from entering the burning Nishikino home.
• Takai Geki told Senba Gari that fires had killed the Nishikino family, Hanayo Koizumi and her parents, Rin Hoshizora, and Honoka’s family.
• Takai Geki reported that Umi Sonoda had jumped to her death and that police found a bloodstained arrow, gasoline, and a lighter in her room; Senba Gari dropped his five Divine transformation cards and later walked out of class in silence.

Senba Gari's friends and allies were killed in a string of supernatural murders, and Takai Geki discovered that Gari was responsible while possessed or driven insane. Gari then woke from the grim events as if they had been a dream, reunited with his family, and arrived home to a surprise birthday celebration.

• Eli Ayase and Nozomi Tojo found Yazawa Nico frozen inside a block of ice, while Senba Gari walked away in silence.
• Takai Geki learned that the evidence contradicted the suspected suicides and fires, then received news that Nozomi Tojo had been crushed to death.
• Takai Geki found Minami Kotori dying and the Golden Firmament, Silver Phantom, Ziying, and Kashu fallen, and confronted Senba Gari, who admitted he had killed them.
• Senba Gari woke at home and embraced Senba Ryo and Senba Setsune, then escaped before his mother could serve breakfast.
• Senba Gari returned to an apparently empty house and found Honoka Kosaka, Umi Sonoda, Minami Kotori, and the others waiting to celebrate his birthday.

Senba Gari celebrated his eighteenth birthday with his family and welcomed a silver motorcycle as a gift, which he recognized as home. The chapter then shifted into comedic Lunar New Year specials, where a Rider-versus-Monster quiz descended into chaos before Senba Gari launched a battle royale.

• Senba Gari cried when he saw his family gathered for his birthday, and Senba Setsune comforted him.
• Senba Ryo gave Senba Gari a silver motorcycle, and Senba Gari welcomed it home.
• Senba Gari hosted a Rider-versus-Monster quiz, but the guests repeatedly fought and caused disorder.
• Kamen Rider Number One answered that OOO had 128 forms, but OOO revealed the correct total was 129 and Number One suffered the penalty.
• Number One and the Shocker Leader bonded over modified humans, then turned on Decade and sparked a chaotic fight.
• Senba Gari introduced a Rider-versus-Monster battle royale, beginning with Number One's entrance.

Senba Gari launched a Rider-versus-Monster battle royale in which losers faced a humiliating punishment. After Riderman and Ambassador Hell lost their matches, Blade and General Shadow were chosen for the next bout, while Weather accidentally smashed the table.

• Senba Gari introduced the battle royale and showed how Number One had been punished with tickling and headphones after a previous loss.
• Riderman represented the Riders against Doctor Shinigami, lost their drinking contest, and was carried away for punishment.
• OOO fought Ambassador Hell by multiplying into an army of forms, overwhelming him and earning the Riders their first win.
• After the score became one to one, Number One chose Blade and the Shocker Leader chose General Shadow for the next match.
• Weather copied Number One and the Shocker Leader by slamming the table, accidentally destroying it.

Five years after the girls’ return to their lives, Senba Gari and Takai Geki investigated the sudden appearance of strange monsters while their friends reunited and looked back on old memories. The chapter ended with the group preparing to sing karaoke as a new threat seemed to loom.

• In a New Year’s extra, Senba Gari and Chalice cornered Weather over a swimsuit photo of Maki Nishikino, and Divine pursued Weather after he admitted the cards were UR pulls.
• Honoka returned from abroad and reunited with Umi and Kotori, who reflected on how the nine girls had built their lives after their adventures.
• Divine and Takai Geki fought unidentified monsters, and Senba Gari noted that they were unlike the defeated Mlortha as a mysterious giant leg appeared nearby.
• The girls looked through an album and recalled Senba Gari’s teaching days and the chaotic opening of his sweets shop, while Phantom and Ziying served them tea and snacks.
• Senba Gari told Takai Geki he was considering hiring help because Arisa had left for university, and the girls joked about embarrassing him when he returned.
• The reunited friends began karaoke, with Honoka agreeing to sing as Gari counted them in.

Senba Gari and Takai Geki transformed into Kamen Rider Divine and Spirit and easily defeated an iron beast before returning to their friends. Five peaceful years had passed, and as Gari reflected on what felt missing, someone covered his eyes; a bonus story then introduced Gari heading out for a walk as a corporation transported an unusually powerful corpse for study.

• Senba Gari and Takai Geki transformed into Kamen Rider Divine and Spirit and combined their attacks to destroy the iron beast.
• A round sphere recorded data on Kamen Rider Divine as the two Riders left the remains behind.
• Gari and Geki returned to a gathering of their friends, where the group welcomed them and joked together.
• Gari sat in the garden with Geki and reflected on the five peaceful years and the feeling that something was missing.
• An unseen person covered Gari's eyes, and he recognized the familiar voice behind him.
• In the bonus story, Gari went for a walk and left Phantom to watch the house while a corporation transported a corpse containing incredible energy for further study.

A mutated corpse caused a deadly incident, while Takai Geki investigated the resulting threat and fought a powerful ice spirit. The spirit defeated him, and Geki woke in a hospital.

• Nyarlathotep revived and mutated a corpse before fleeing Shub-Nicholas, and Gaia purified the gods’ traces as the corpse’s aura killed four people in a car.
• Honoka and the others planned a concert, and Senba Gari agreed to help them prepare.
• Takai Geki and Cangqiong investigated the deaths, traced unusual electromagnetic waves into the mountains, and encountered an ice spirit in the fog.
• Spirit fought the ice spirit with Cangqiong’s support, but the cold disabled Cangqiong and froze Spirit’s shield, allowing the spirit to knock Geki unconscious.
• Takai Geki woke up and realized he was in a hospital again.

Takai Geki struggled with his weakness while Senba Gari fought and destroyed a regenerating monster, which later re-formed and vanished. In a parallel-world scene, a masked man confronted Takai Geki at the Takai Family estate after Nozomi warned him not to give up.

• Takai Geki woke in the hospital and left despite Senba Gari's warning to rest, determined to keep fighting and grow stronger.
• Honoka Kosaka and the other girls planned songs and dances to support the Kamen Riders, then went shopping together.
• A monster formed beneath a cliff and headed toward the city, drawn by the presences there.
• Senba Gari transformed into Kamen Rider Divine and battled the monster, which regenerated after his Frost Dragon attack and incapacitated him and Phantom.
• Divine awakened the Soul of Flame Feather, destroyed the monster with a fiery attack, and left with Phantom to pursue the ice-wielding enemy; the monster's ashes later formed a figure that vanished.
• In the parallel-world scene, Nozomi drew the Chariot card for Takai Geki and urged him not to give up; later, a masked man disarmed him at the Takai Family estate and challenged his resolve.

Takai Geki received a sealed Star Disk and met Cirno, then fought her in a parallel-world account. Senba Gari investigated an empty village and discovered that its dead villagers had been turned into monsters.

• A black-robed figure challenged Takai Geki to prove his desire to protect others through hard work and gave him a sealed Star Disk.
• Takai Geki encountered the ice spirit Cirno, who took the form of a little girl, and he fainted from excitement.
• Cirno made Takai Geki her servant and fought him, easily surviving his attacks and calling his strongest finisher a big white cat.
• Senba Gari searched a deserted village and found that its vanished residents had become shriveled corpses.
• Phantom analyzed the corpses and told Senba Gari that the mlortha traces in their heads meant head attacks would keep them down and that the creature was still alive.

Senba Gari battled Hastur after arriving at a village under attack, but Hastur escaped after overpowering his awakened form. After honoring the dead, Senba Gari sought Takai Geki, who was training with Cirno, and told him he had an urgent problem to discuss.

• Senba Gari and Phantom found two villages full of living corpses and rushed toward the last village.
• Senba Gari transformed into Divine and fought Hastur while Phantom rescued villagers and restrained the frenzied survivors.
• Hastur defeated Divine in battle and vanished, leaving Senba Gari to collapse; he later learned that many villagers had died and helped bury them.
• Senba Gari vowed to avenge the villagers, while Hastur healed its wounds and sent Ithaqua, Lloigor, and Zhar to attack elsewhere.
• Cirno trained Takai Geki to sense and control the elements, and he managed to perceive them before losing his focus.
• Senba Gari met Takai Geki and Cirno at a restaurant and said he had found a serious problem that needed their attention.

Takai Geki trained with Cirno to control the Five Elements and later defeated Lloigor with his White Tiger form. Hastur then attacked, badly injuring Cirno and overwhelming Takai Geki with an evil mental force, leaving Cirno to hide with him beneath a bridge.

• Senba Gari told Takai Geki that he had badly wounded Hastur but feared Hastur would grow stronger, and Takai Geki agreed to alert his family and the police.
• Cirno taught Takai Geki to control the Five Elements, and he manifested an Azure Dragon by using water to strengthen wood.
• Senba Gari rescued Weather from a tentacled monster, destroyed it, and warned Takai Geki to stay alert.
• Takai Geki transformed into Spirit and defeated Lloigor and the surrounding Ithaqua with help from Cirno and his White Tiger finisher.
• Hastur ambushed Takai Geki and Cirno, injured Cirno, and filled Takai Geki's mind with an evil aura before Cirno carried him beneath a bridge and entered his body as blue energy.

Shotaro investigated a clue, defeated the Ithaqua-like monster, and warned the other Riders that a larger threat might be approaching. Meanwhile, Takai Geki sensed Cirno in danger and found Haruto fighting her; Geki stopped Haruto’s finishing attack and was given a way to try to save her.

• Shotaro transformed into Kamen Rider W and destroyed the monster resembling Ithaqua on the road to the suburbs.
• Philip warned Shotaro that monsters capable of turning people into Ithaqua could pose a serious threat, so Shotaro set out to rally the secluded Riders.
• Takai Geki sensed Cirno’s distress while practicing water control and followed the water element to her location.
• Haruto transformed into Kamen Rider Wizard and fought the corrupted Cirno, eventually preparing a finishing kick.
• Takai Geki rushed in and collided with Wizard, explaining that Cirno was his friend and that a monster’s evil spirit had taken control of her.
• Wizard gave Geki a blue ring and told him to use it to help Cirno.

Spirit entered Cirno’s mind to save her from Ithaqua, which had been tormenting her. With Cirno’s song and his determination, he weakened the monster and launched a finisher, leaving the battle’s outcome unresolved.

• Spirit changed to Black Tortoise form and used the water element to freeze Cirno, bringing her back to her senses.
• Wizard used a magic ring to open a path into Cirno’s mind, and Spirit entered to rescue her younger self from Ithaqua.
• Spirit freed Cirno from Ithaqua’s tentacles, then changed to White Tiger form and attacked the monster, but it survived and grew larger.
• Spirit repeatedly charged Ithaqua and declared his feelings for Cirno and his resolve to protect people’s smiles.
• Cirno sang for Spirit, and the song purified the tainted energy, weakening Ithaqua and reducing it to its original size.
• Spirit used White Tiger Secret Technique—Roaring Tiger Skyward to attack Ithaqua as Cirno continued singing.

Takai Geki rescued Cirno from Ithaqua, while Senba Gari helped Minami Kotori secure a venue for μ's to perform in Akihabara. Hastur interrupted the concert with a monster attack and drove the audience and several μ's members into madness, leaving Cirno to suppress their symptoms as Divine and spirit fought him.

• spirit merged with the White Tiger and destroyed Ithaqua in Cirno's mental world, freeing Cirno from the ice and restoring her to normal.
• Cirno embraced Takai Geki and cried, and Takai Geki fainted from exhaustion as Haruto left them alone.
• Shotaro and Philip warned the senior Riders about the threat, and the Riders prepared defenses.
• Senba Gari gave Minami Kotori the activity permit and stage address for μ's concert in Akihabara, promising to attend.
• μ's performed in Akihabara, but Hastur appeared, summoned monsters, and caused destruction and madness among the crowd.
• Divine and spirit fought Hastur while Cirno temporarily suppressed the madness affecting the crowd and Umi, Nico, and Maki; the two Riders prepared their Finisher Cards.

Divine and Spirit fought Hastur while Cirno was badly wounded protecting the stage, but μ's song restored hope to the crowd and helped the Riders regain their resolve. As they resumed the battle, the disc awakened and Spirit transformed into White Tiger, leaving the fight poised for a new stage.

• Hastur survived Divine and Spirit’s combined finisher, then hurled a fireball at the stage, where Cirno absorbed it and crashed through the stage.
• Enraged, Divine attacked Hastur recklessly and was knocked out of his transformation, while Hastur prepared a massive energy sphere against the helpless crowd.
• The girls onstage began singing, and Spirit blocked Hastur’s next attack as the song renewed the people’s hope and helped Divine regain his composure.
• Senba Gari joined Spirit, and the two Riders transformed and returned to the sky as Honoka and Nozomi led the crowd in cheering them on.
• Divine and Spirit attacked Hastur again, with Divine fighting rationally in his awakened form as μ's and the crowd encouraged the Riders.
• The disc began shining and revealed its true form; Spirit connected it to his belt, gained control over five elements, and transformed into White Tiger.

Divine, the spirit, the Kamen Riders, and the crowd defeated Hastur, who was ultimately erased by Zero after reforming in another dimension. The story then introduced a new threat: a month earlier, a white-clad man used Shub-Niggurath’s Seed of Original Sin to transform a belt into a flesh-covered device, while Kamen Rider Drive was later shown being hunted and apparently eliminated.

• Divine and the spirit unleashed their finishers against Hastur, but he reappeared and shrugged off their renewed attacks.
• Honoka and others rallied the crowd, whose hopes empowered the arriving Kamen Riders, Phantom, and Cangqiong to destroy Hastur and send him through a rift.
• Zero struck Hastur as he re-formed in the rift, erasing him and causing the remaining monsters to perish.
• A blood-red armored hunter shot Kamen Rider Drive in an abandoned factory, while a figure emerged through a silver barrier and rescued a badly wounded companion.
• One month earlier, Medusa gave a white-clad man Shub-Niggurath’s Seed of Original Sin, which he used to transform a wheel-shaped belt into a flesh-covered device and put it on.

Medusa transformed a greedy man into the Knight Hunter, who attacked Kamen Rider Blade and revealed his ability to transform into other Riders. Spirit, Divine, and Chievil joined the fight, but the Knight Hunter overpowered them as they prepared to use their Beast Soul Bracelets.

• Medusa vanished after her power began devouring the greedy man, who later emerged as the blood-armored Knight Hunter.
• At home, Kashu studied the modern world while Senba Gari reluctantly agreed to buy Silver Phantom a new game.
• The Knight Hunter transformed into Kabuto, used time acceleration to badly injure Blade, and nearly finished him off.
• Spirit arrived to protect Blade, and Divine and Chievil joined them as the Knight Hunter announced he would hunt them all.
• Spirit, Divine, and Chievil attacked together, but the Knight Hunter shifted into Ghost and Hibiki to evade Divine's blow and counterattack.
• Divine and Spirit revealed their Beast Soul Bracelets while Chievil distracted the Knight Hunter, who blocked Chievil's sword strike.

Divine, Spirit, and Chievil failed to defeat Knight Hunter, who wounded and deactivated them before Decade intervened and rescued the group. Senba Gari woke at home with Decade and Diend, but Tsukasa’s request to change history was interrupted when time stopped, and the chapter revealed a completed anti-Kamen Rider weapon in the Relic Hall.

• Divine and Spirit transformed and joined Chievil in attacking Knight Hunter, but their combined strikes only helped him absorb power and collect data.
• Knight Hunter shifted into Kuuga forms, defeated Kashu and Takai Geki, and was about to attack Senba Gari when Blade and the Silver Phantom arrived.
• Knight Hunter captured Blade and threatened to use Blade’s power until Decade shot his wrist, forcing him to retreat before transporting the fallen Riders to safety.
• Senba Gari woke in his living room and thanked Kadoya Tsukasa and Kaito Daiki for rescuing him, while Kaito repeatedly tried to claim the Silver Phantom.
• Kadoya Tsukasa began asking Senba Gari to change history, but time stopped and darkness returned before he could explain.
• One hour earlier, an unknown person celebrated the completion of a weapon intended to wipe out the Kamen Riders.

A Foundation X member used Doctor Shinigami’s time machine to erase Kamen Rider Number One and Number Two from history, leaving Senba Gari and Divine in a devastated world where the Kamen Riders and their allies were disappearing. After learning that Silver Phantom had sacrificed itself to save him, Divine confronted the Knight Hunter as the world began to collapse around them.

• The Foundation X member ordered Doctor Shinigami to send him to the Showa Era, then vanished through a wormhole in the time machine.
• Senba Gari awoke beside Minami Kotori in the ruins near Otonokizaka, confused and unable to remember what had happened.
• Fumika brought Senba Gari Silver Phantom’s wrecked head, triggering his memory of Silver Phantom, Golden Firmament, and Ziying sacrificing themselves to defeat the Knight Hunter.
• Senba Gari learned that the Knight Hunter had conquered the world and that Takai Geki and Kashu were imprisoned at the old UTS Building.
• Divine confronted the Knight Hunter, who revealed that erasing Kamen Rider Number One had caused Divine and the world to begin disappearing.
• The world crumbled around Divine as the Knight Hunter stomped on him while Divine grew too weak to fight back.