
The Kamen Riders, known as Oni, battle man eating beasts called Makamou with “pure sound”. One of the Oni, a man named Hibiki ends up having a teacher and apprentice-like relationship with Asumu Adachi. A young boy unsure of himself and is at a crossroads in his life as he transitions to high school, Asumu learns to be an adult through watching Hibiki and the other Oni as they all train together to hone their skills in fighting the Makamou and the homunculi aiding them. However, the sudden raise of Makamou numbers proves to be a prelude to an upcoming calamity.
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Episode 1
The Echoing Oni
There are those known as Takeshi who have fought since ancient times to protect people. Some of them have even dared to become Oni, to fight against the evil Makamou.…
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Episode 2
Roaring Spider
After rescuing Chizu, Hibiki spends the night at the memorial where Asumu is staying. The next day, Asumu meets Hibiki out by the beach and they discuss what Hibiki does…
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Episode 3
Falling Voice
Both Adachi and Hibiki return to Tokyo where Hibiki is sent off to defeat a Yamabiko sighted at Okutama. Later on, Hibiki meets Asumu�s mother, who is ecstatic to see…
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Episode 4
Running Ichirou
Asumu trails an old man whom he believes has connections to Hibiki after he sees him save a young girl. Elsewhere, Hibiki continues his battle with the Makamou who had…
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Episode 5
Melting Sea
After a discussion with Hibiki about his plans after middle school, Asumu is reminded that he has no choice but to pass his entrance exam into Jounan, and he resolves…
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Episode 6
Striking Soul
Ibuki, thinking Asumu is Hibiki�s apprentice, takes Asumu to where Hibiki and Kasumi are located. Hibiki and Asumu have a discussion about life and the challenges that everyone faces, leaving…
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Episode 7
The Blowing Oni
Excited over passing his entrance exam for Jounan, Asumu rushes to tell Hibiki the good news but is told he is training at a shrine deep in the mountains. Hinaka…
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Episode 8
Screaming Wind
Lost in the forest, Asumu stumbles onto Ibuki�s camp where an irritated Akira tells Asumu that he will only hinder Hibiki if he continues following him around and that it…
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Episode 9
Wriggling Evil
Spring break has started and Asumu has already gotten off on the wrong foot, having missed going to the movies with his friend. He spends the rest of the day…
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Episode 10
Oni Standing In A Line
Asumu continues to wander through town after being a witness to the shoplifting, not really sure of himself and what to do next. Meanwhile, Hibiki and Ibuki team up to…
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Episode 11
Swallowing Wall
A new school year has started and Asumu enters high school but still has mixed feelings on the path of life he has taken. Through all the aimless wandering he…
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Episode 12
Secrets Revealed
After going through a false wall in Tachibana�s Sweet Shop, Asumu stumbles upon the Oni R&D room where Midori shines some light on Hibiki�s past. Meanwhile, Hibiki believes he�s discovered…
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Episode 13
Berserk Fate
Hibiki goes to Asumu to ask him for a favor but Asumu doesn�t seem to be feeling well, and is rushed to the hospital when he collapses during class! In…
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Episode 14
Devouring Douji
Asumu is suffering from appendicitis and is rushed into surgery, as his high school life comes to a halt until he heals. Hitomi runs into her cousin while Asumu meets…
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Episode 15
Weakening Thunder
Asumu returns home after spending a week hospitalized and begins his recuperation. Elsewhere, Zanki reveals that he will soon be retiring and expects his apprentice Todoyama to take his place,…
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Episode 16
Torodoku Oni
Zanki and Todoyama come to Sabaki�s rescue after being captured by the Yamaarashi, but Zanki begins to weaken and proves unable to defeat it. Todoyama takes Zanki�s place and destroys…
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Episode 17
The Targeted Town
Kasumi and Ibuki go clothes-shopping on their day off. After shopping and during their meal, Ibuki sees a Douji and Hime pair in the city and begins his pursuit. Elsewhere,…
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Episode 18
Unbroken Hurricane
Akira makes her way towards the ever-changing location of the Oonamazu but as she heads towards the battle, a puppet-type Makamou causes her to collapse under a bridge. Meanwhile, Asumu…
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Episode 19
The Strumming Warrior
Asumu begins his first day at Tachibana�s and discovers that Todoroki and Hitomi are related. Todoroki continues to fight the Bakegani as Kasumi notices something is wrong with him, while…
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Episode 20
The Pure Sound
Zanki visits Todoroki on the battlefield to question about his style of fighting while Asumu begins to have troubles at Tachibana�s and is then pulled into a conversation with Ichiro…
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Episode 21
Demons Drawn Together
While Hibiki enjoys a day off of fighting to run errands with Asumu, Ibuki and Todoroki are separately following two groups of Makamou that are heading towards Mount Asama. The…
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Episode 22
Changing into a Cocoon
As Asumu and Mochi wait for Hibiki to return with the doctor, Akira is injured as Ibuki and Todoroki combine their strength to defeat the pair of Douji and Hime,…
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Episode 23
Summer of Training
Hibiki takes Todoroki to his mountain training temple to teach him how to play the taiko so that the Oni are better prepared to deal with the summer Makamou, which…
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Episode 24
Burning Crimson
Discovering the self-multiplying Dorotabou, the Oni realize they will have to unify their powers using taiko to defeat the Makamou. As Hibiki trains harder to unleash his Crimson form, Todoroki…
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Episode 25
Racing Blueness
After Sabaki is defeated by a Kappa, Hibiki is sent out to finish the job. At the same time, Asumu, Hitomi, Hinaka, and Todoroki enjoy the day off by going…
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Episode 26
Tallying Days
Everybody is out, either enjoying their day off or hunting down Makamou, leaving Asumu and Akira to tend to the sweet shop. Ibuki crosses paths with a strange couple that…
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Episode 27
Passing Down the Bond
Zanki is attacked by a white Puppet, and the damaged disks lead Hibiki and Todoroki to track down the group of Bakeneko hiding in the forest shrine. Back at Tachibana�s,…
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Episode 28
Unending Villainy
After being beaten up for revenge by the shoplifter he stopped several months ago, Asumu loses his normal cheerfulness. Hibiki sees this and decides to take Asumu for a forest…
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Episode 29
Shining Boy
After his fall where he loses his phone, Asumu blames himself and Hibiki confronts the boy about being too negative and self-conscious. Meanwhile, Ibuki and Todoroki combine their efforts and…
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Episode 30
Premonition of Training
A new boy has transferred to Asumu and Hitomi�s school, Kiriya Kyousuke, and the new boy seems to be good at everything from language to sports and makes Asumu feel…
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Episode 31
Surpassing Father
After witnessing Hibiki in battle and seeing Asumu�s familiarity with the Oni, Kyousuke declares that Asumu isn�t as boring as he thought and attempts to learn more about Hibiki, shadowing…
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Episode 32
Bursting Out Song
Kogure Kounosuke, a strong-willed weapons designer for Takeshi, comes bearing a gift for the Oni who work at the Tachibana Sweet Shop: the Armed Saber. Unfortunately, the weapon is too…
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Episode 33
Armed Saber
After losing the Armed Saber to the Super Douji and Hime, Hibiki and Todoroki lose the ability to transform. They find out that they will regain the ability to transform…
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Episode 34
Beloved Bonito
Todoroki and Hinaka�s birthday date goes awry thanks to Todoroki�s clumsiness and Todoroki feels that he doesn�t live up to Hinaka�s image of an ideal man, leading to his love…
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Episode 35
Lost Angel
Todoroki finds his romantic troubles are causing him increasing issues in battle as he loses focus, and Ibuki isn�t far behind him! As Zanki tries to help Todoroki regain his…
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Episode 36
Hungry Shuki
A mysterious Oni Armor, that gives the wearer the power of an Oni, has been stolen from a shrine. The thief uses it to attack Oni and Makamou alike; leaving…
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Episode 37
Revived Lightning
Having taken Todoroki�s transformation brace, Shuki sets out to get her vengeance on the Notsugo, despite the danger it poses to her former Oni comrades. As a result, Ibuki is…
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Episode 38
Broken OnGeki
When a powerful Makamou appears that is resistant to the Slaying Sounds of Ibuki, Todoroki, and Hibiki, the Oni struggle to find a measure to combat it while Ibuki also…
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Episode 39
Your Beginning
After Hibiki is defeated by the fearsome Yobuko, Ibuki searches for Akira, while Todoroki is severely depressed over his perceived failure with Zanki. Meanwhile, Kyousuke stumbles upon Takeshi�s armory and…
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Episode 40
Approaching Oni
A mysterious forest appears out of nowhere, causing the Oni to worry about what it could mean, and the mysterious Man and Woman also seem to be concerned with the…
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Episode 41
Awakening of a Teacher and Student
After Akira�s attempt at transforming, the Oni return to Tachibana�s where Asumu and Kyousuke are scolded for their attempts to become Akira�s apprentices. However, the boys are firm in their…
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Episode 42
Ferocious Demons
With Orochi approaching, the number of Makamou has risen sharply, straining the Oni and their ability to handle it. With Hibiki taking Asumu and Kyousuke as his apprentices, the Oni…
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Episode 43
Body That Cannot Change
After being crushed by a giant Makamou, Todoroki is rushed to the hospital, but while he survives, his prognosis is grim as he may never become an Oni again, driving…
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Episode 44
Secret Forbiddenness
Despite earlier warnings about transforming again, Zanki steps up and rejoins the fight against the growing hordes of Makamou, but it takes an extreme toll on him, but he intends…
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Episode 45
Dying a Glorious Death Zanki
Despite seeing him fall in battle, Ibuki is shocked to see Zanki appear in Todoroki�s room, but when Hibiki and Ibuki reveal Zanki�s fate, Todoroki angrily refuses to believe his…
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Episode 46
The Mastered Path of the Oni
Leading the Oni to a stone with ancient Oni script on it, the Man and Woman make their next move towards preventing Orochi, but the cost of stopping it may…
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Episode 47
Talking to a Back
Coming to terms with what dying without regrets means to him, Asumu decides to walk away from his Oni training, leaving Hibiki seemingly disappointed, but with Orochi imminent, there�s no…
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Episode 48
The Dream of Tomorrow
Leading the Oni, Hibiki brings Orochi to a halt and purifies the earth as the ancient writings described. One year later, Asumu has moved on from Takeshi and the Oni…