Seasons & Episodes
The Echoing Oni
Asumu Adachi and his mother went to Yaku Island for a family reunion. During the boat ride to the island, Asumu meets a
The Howling Spider
Hibiki spends the night at the memorial where Asumu is staying. The next day Asumu meets Hibiki out by the beach and the
Falling Voice
Both Asumu and Hibiki return to Tokyo where Hibiki is sent off to defeat a Yamabiko sighted at Okutama. Later on, Hibiki
Running Ichiro
Asumu trails an old man whom he believes has connections to Hibiki after he sees him save a young girl. Elsewhere, Hibik
Melting Sea
Hibiki and Asumu have a talk about the school that Asumu wants to go to. At school, Asumu is told by a teacher that if h
Beating Soul
Ibuki, thinking Asumu is Hibiki's student, takes Asumu to where Hibiki and Kasumi are located. Hibiki and Asumu have a d
Majestic Breath Oni
Ibuki appears and mistakes Asumu for Hibiki's student, taking him to the sight of a battle. Asumu then joins Hibiki and
Shouting Wind
An irritated Akira tells Asumu that he will only hinder Hibiki if he continues following him around and that it would be
A Squirming Evil Heart
Spring break has started and Asumu has already gotten off on the wrong foot, having missed going to the movies with his
The Oni Who Stands in Line
Asumu continues to wander through town after being a witness to the shoplifting, not really sure of himself and what to
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
Revealed Secrets
After going through a false wall in Tachibana's Sweet Shop Asumu stumbles upon the Oni R&D room where Midori shines some
Disrupting Fate
Hibiki goes to Asumu to ask him for a favor but Asumu doesn't seem to be feeling well. After being given a power boost
Devouring Douji
Asumu is hospitalized and undergoes emergency surgery after collapsing in class, his high school life comes to a halt un
Weakening Thunder
Asumu returns home after spending a week hospitalized and begins his recuperation. Elsewhere, Zanki reveals that he will
Roaring Oni
Zanki and Todoyama come to Sabaki's rescue after being captured by the Yamaarashi. Zanki begins to weaken and proves una
A Targeted Town
Kasumi and Ibuki go clothes-shopping on their day-off. After shopping and during their meal, Ibuki sees a Douji and Hime
Unbroken Hurricane
Akira makes her way towards the ever-changing location of the Oonamazu. Asumu then heads to Tachibana's and ends up help
Strumming Warrior
Asumu begins his first day at Tachibana's Sweets Shop and discovers that Todoroki and Hitomi are related. Todoroki conti
The Pure Sound
Zanki visits Todoroki on the battlefield to question about his style of fighting. Asumu begins to have troubles at Tachi
Gathering Demons
Ibuki and Todoroki, separately, are following two groups of Makamou that are heading towards Mount. Asama. The oni find
Becoming a Cocoon
Ibuki and Todoroki combined their strengths to defeat the pair of Douji and Hime, but the Ubume and Yamaarashi are nowhe
Summer Training
Hibiki takes Todoroki to his mountain top training temple to teach him how to play the taiko. Unfortunately, the trainin
Burning Crimson
Hibiki and Todoroki's training is stopped midway because they get a call that a villiage nearby has been attacked. They
Running Azure
After Sabaki is defeated by a Kappa, Hibiki is sent out to finish the the job. Asumu, Hitomi, Hinaka, and Todoroki enjoy
Counting the Days
Everybody is out, either enjoying their day off or hunting down Makamou, leaving Asumu and Akira to tend to the sweet sh
Passing Down the Bond
Hibiki, Todoroki, and Zanki track down the group of Bakeneko hiding in the forest shrine. Tsutomu reveals his relations
Undying Malice
After being beaten up by the shoplifter (first seen in A Squirming Evil Heart) Asumu loses his normal cheerfulness. Hibi
Shining Boy
Asumu slips and falls while descending a hill causing him to loose his cellphone and Hibiki to loose his cowboy hat. Asu
Forging Premonition
A new boy has transferred to Asumu and Hitomi's school, Kyosuke Kiriya. Kyosuke is good at everything from language to s
Surpassing Father
After talking to Kyosuke Kiriya, who lost his father in a fire, Asumu goes searching for his own father. Kyousuke follo
Bursting Song
Kounosuke Kogure, a strong-willed arms developer, comes bearing a gift for the Oni who work at the Tachibana Sweet Shop:
The Armed Blade
After losing the Ongekizofukuken Armed Saber to the Super Douji and Hime, Hibiki and Todoroki lose the ability to transf
Beloved Bonito
Todoroki and Hinaka's birthday date goes awry thanks to Todoroki's clumsiness and Todoroki feels that he doesn't live up
Fallen Angel
Todoroki is in a slump after failing to get back together with Hinaka, Zanki comes to the aid of his depressed pupil. Ib
Starving Shuki
A mysterious Armor of the Ogre, that gives the wearer the power of an Oni, has been stolen from a shrine. The thief uses
Lightning Living Again
Having obtained Todoroki's Henshin Kigen, Shuki proceeds to fullfil her vengeance against the large and elusive Notsugo,
Broken Ongeki
Hibiki, Todoroki, and Ibuki encounter a powerful Makamou who is immune to all three of their Ongekis. They choose to ret
Your Beginning
Hibiki is defeated by the fearsome Yobuko and becomes bed ridden at the Tachibana Sweet Shop. Ibuki searches for Akira,
Nearing Orochi
A mysterious forest appears in the middle of a rice field and devours any and all who step foot in it. The forest worrie
The Awakening Teacher and Student
Asumu and Kyousuke are both scolded after Akira takes them as students, but they refuse to give up of becoming Onis. Ic
Ferocious Demons
With Orochi approaching the number of Makamou are sharply rising, so much so that it is too much for the Oni to handle.
An Unchangeable Body
A brutally beaten Todoroki is rushed to the hospital after being crushed by an onslaught of Makamou. He has to go under
Forbidden Secret
After continuously falling short in training Kyosuke gives up on being Hibiki's student. Todoroki, in his current batte
Dying a Glorious Death, Zanki
Asumu tracks down Kyosuke where he confronts him about stealing the Oni tool and using it for revenge. Being on borrowe
Mastering the Oni Way
The Man and Woman lead the Onis to a stone that holds the key to sealing off Orochi, but the task maybe too great for th
The Talking Back
After thinking about what it means to die without any regrets Asumu decides that he must walk away from becoming an Oni.
Dreaming of Tomorrow
With Hibiki at the helm the Onis stop Orochi. This episode takes place a year later where Asumu has detached himself fro
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