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Hai-Ryun Yeasomul Jedha (ハィ=リューン・イェアソムール・ジェダ), known shorthand as Yeasomul (イェアソムール) before gaining the nickname of Hanyuu (羽入 Hanyū), is a Ryuun warrior who comes to Onigafuchi in the distant past. She is the main protagonist of the console-exclusive arc Kotohogushi-hen.


One of the "Jedha" (Observers), whose mission is to watch over the settlement of the "Ryuun people" who have crossed the barrier of the fifth dimension to live in the present world, and to sanction those who commit violations such as harming the natives. As a high-ranking molecular life form, she is able to make her body intangible by manipulating molecular bonds.

(Translated from Entergram's Higurashi Hou website.)


When she assumes a corporeal body, Yeasomul tries to resemble a human being as much as she can, but is unable to hide the dark purple horns which is characteristic of those from her clan. She has long flowing light purple hair with spiky bangs and dark purple eyes.

She is initially seen wearing what resembles a black and red hanfu, particularly because of the white and red collar holding her blouse closed in a jiaoling youren style. She wears a long black short sleeved blouse along with a black robe seeming like a cloak and a long red skirt. The sash securing her garments matches her collar—with jagged red and white stripes. Her arms and legs appear to be covered in a black form-fitting material—perhaps implying she is wearing a bodysuit of some sort underneath her clothing. It is later explained that her ensemble is actually made of specialized armored garments worn by those of her clan to aid in battle[1].

Later on after deciding to take permanent residence at the Furude Shrine, Yeasomul is soon seen wearing an unconventional miko outfit after having grown tired of Riku's annoyingly persistent attempts to have her wear one. At first glace, it seems to resemble traditional miko attire—with a red-lined pure white kosode and a bright red hakama. However, the sleeves are a lighter red and decorated with matching dark red strings. Most notably, the sleeves are separate from the kosode and merely hang around her upper arms, revealing her bare skin between the partition from the kosode. This modification along with the already breezy structure of the hakama fills Yeasomul with much indignation as showing skin is considered disgraceful to Ryuun women[2]. She also begins wearing a white hood to hide her horns from outsiders.


Yeasomul has a strong sense of duty as a Ryuun and Hai due to her intense training and battles. She faces a personal conflict when she dreams of living as a normal human, wishing she were never a Ryuun and had horns.

As Yeasomul develops a relationship with Riku, she begins to act less tough and warrior-like since she's having fun with him, after spending much of her life training.


As a Ryuun, Yeasomul has a different anatomy than humans, giving her regeneration and much more physical strength. She makes use of the Turuy Galkia swordfighting style when battling Grifys. As a last resort, Yeasomul can extend her nails to very long lengths and slice through almost anything, but at the cost of slightly demonifying herself and losing her sense of self.


Yeasomul was born on Earth after the Ryuun immigrated to it. She was part of the Putus race due to being pureblooded and has been raised since birth to fulfill her duty as a Putus and Jedha by exterminating berserk Grifys. One day, Yeasomul battles Grifys who attack Onigafuchi Village and rescues a baby from the ruins, giving it to survivors who praise her as Oyashiro-sama and raise the baby as her reincarnation. This baby is adopted by the Furude family and named Riku, who Yeasomul encounters 20 years later.

Yeasomul's full name of Hai-Ryun Yeasomul Jedha means “the feathers of the bird wings in this land” in the Ryuun language. Individually, each part means something else: "Hai" is the self-appointed title by the Putus as warriors, "Yeasomul" is a hereditary title from her homeland, and "Jedha" is her occupation.

Yeasomul is given the nickname of Hanyuu (羽入) due to Riku having trouble hearing her full name and doing a play on words, as he could hear the "Hai" part and knew there was "wing" (羽) in her name. Hanyuu comes to accept this new name for herself.




Ryuun-Ohc is an artificial intelligence and transport system attached to the Lynos within Onigafuchi Swamp, given additional programming by Hanyuu. Ryuun-Ohc assists her in combat and gives advice, following almost every order she makes. Ryuun-Ohc is later revealed to contain the personality of Hanyuu's mother.

Riku Furude[]

Riku was the baby Hanyuu rescued in Onigafuchi 20 years ago and gave to survivors. They reunite however Hanyuu is at first unaware that Riku was the baby and develops an uneasy friendship with him, finding a strange attraction in him despite being constantly enraged by Riku's dimwittedness and perverted nature. Hanyuu eventually decides that she does love Riku and they exchange feelings for each other, getting married and having a child as a result.

Ouka Furude[]

Hanyuu was forced to abandon Ouka and leave her in the care of Onigafuchi's villagers after Riku's death. When Hanyuu reunites with her years later, she refuses to tell Ouka her heritage and instead opts to assist Ouka as Oyashiro-sama, conversing with her and later teaching her swordsmanship.

Hanyuu's love for Ouka is such that she cures her of a horrible disease when she falls ill and later agrees to help Ouka cure the rest of the village when an epidemic happens. Although Hanyuu was reluctant at first because she knew introducing such medicine and letting it spread would turn out to be disastrous, Hanyuu prioritized Ouka having a positive relationship with her and never regretting their reunion.

Shino Kimiyoshi[]

Shino is Riku's childhood friend, called in to help teach Hanyuu how to do housework. Shino at first believes Hanyuu is just a foreigner. She accidentally discovers Hanyuu's horns but is completely undisturbed by it and keeps it a secret. Hanyuu and Shino become very good friends after that, bonding over dissing Riku's maid fetish.




20 years after saving Onigafuchi village from a Grifys attack, Yeasomul returns to Onigafuchi Swamp after another battle to rest and repair her sword. She laments that the Jedha and Putus are beginning to die out from their many battles as Ryuun-Ohc tells her that the attack 20 years ago was instigated by a Putus.

Yeasomul goes to take a bath in a nearby spring when she hears what sounds like a human and a bear nearby. Yeasomul sees Riku being attacked by a bear and wrestles with the beast, rolling into a river with it and killing it. Riku tries to rescue Yeasomul from the river but she emerges and then threatens him to keep what he saw a secret. Yeasomul then realizes she fought the bear completely naked and tries to hide back in the river. Riku unashamedly reveals he was watching her bathe earlier, and the woman throws him into the river.

Riku is dragged out of the river and Yeasomul considers erasing his memories, and then she sees she injured her foot earlier. Riku awakens and offers to take her back to the village to treat her injury despite Yeasomul's repeated threats. Yeasomul sees that Riku is not afraid of her horns at all and goes with him, beginning to develop feelings for him.

Riku explains his role as priest of the Furude Shrine and Yeasomul introduces herself by her full name, and Riku decides to name her "Hanyuu" since its easier to say. Hanyuu is confused but accepts it. Though Hanyuu is concerned about scaring the villagers with her horns, Riku takes her through a path to the shrine that avoids the village. Hanyuu proceeds to live with Riku for a month, long after her foot injury healed. As days and weeks pass, Hanyuu learns about Riku's miko outfit fetish and constantly fights off his attempts to make her wear one, often beating him up for it.

Three months pass in total, and Hanyuu is informed by Ryuun-Ohc of an impending Grifys attack in another location. Hanyuu explains to Riku that she must leave and may not come back after this. Later, Hanyuu meets with Priest Furude in private and learns that Riku was the baby she rescued that day. During the battle, Hanyuu comes to accept her new name, having a new purpose in life because of Riku. She temporarily uses her "claw-blades" to finish the job. A wounded Hanyuu wills herself to return to Onigafuchi to get a look at Riku's sleeping face and is met by him on the shrine stairs. Hanyuu is confident that she does love Riku.

Two years later, the two are still living together and bickering over miko outfits. One day, Riku asks what Hanyuu will do if she exterminates all the Grifys in the land and confesses that he loves her. Hanyuu thinks he's lying, as nobody would ever love her for her horns, and is especially conflicted now that Riku's confessing this after finally getting her to wear a miko outfit. Riku promises to reflect on that, and Hanyuu reciprocates.

A TIP shows that after the confession, Hanyuu goes to Priest Furude for his approval in hers and Riku's marriage. She worries about what would happen if it became known that the heir to the shrine married a demon and provides Priest Furude with instructions on how to kill Ryuun, wanting to become a sacrifice in the future to quell the villagers' anger. She also gives him instructions regarding the legend of demons passed down through Onigafuchi.

A month later, Riku and Hanyuu get married, with Shino giving Hanyuu advice on how to do chores and becoming good friends with her. After beating up Riku again, Hanyuu and Shino bond and eat mochi when Hanyuu suddenly gets nauseous and throws up. Shino sees that this is morning sickness and congratulates Hanyuu on getting pregnant. Hanyuu is overjoyed since the Putus have a very low birthrate and thought she and Riku would be incompatible, but those happy thoughts turn to horror when she worries if her child will also grow horns and face similar injustices as her.

During a thunderstorm that night, Hanyuu sits in the ritual storehouse and worries about what to do. She's tormented by the thought she'd have to kill her own child in the future if it turned out to be a Grifys and goes to Onigafuchi Swamp. Hanyuu tries to synchronize with Ryuun-Ohc and plans to abort her child, but the system won't allow her to. Ryuun-Ohc says that Hanyuu's fears are nothing more than assumptions. Riku appears and comforts her, having learned the news from Shino earlier and thinking Hanyuu is trying to kill herself and her child. Hanyuu confesses her fears and Riku assures her that things will be alright.

Months later, Hanyuu gives birth with Riku and Shino's assistance, breathing a sigh of relief when she sees her new daughter is hornless. Hanyuu and Riku decide to name her Ouka, with Hanyuu seeing her as the link between the Ryuun and humanity. Hanyuu brings Ouka before Ryuun-Ohc but is saddened to hear the system is going to shut down soon. Ryuun-Ohc says that her sword form and other functions will still work. Hanyuu learns that Ryuun-Ohc contains some of her mother's personality and then bestows her with the nickname Ryuuou, which Riku thought up.

At some point, Hanyuu overhears Riku arguing with the villagers, who believe he's married a demon. Riku and Shino defend her, but Hanyuu still worries about the villager's suspicions. Hanyuu later learns there are Grifys prowling about in another village and informs Riku she must leave Onigafuchi to fight. The couple discusses life and Hanyuu leaves Riku with a necklace that will allow him to communicate with her telepathically.

Hanyuu goes to investigate the village attacked by Grifys, where there were bandits pretending to be demons and ended up getting killed by a real one. Hanyuu engages the Grifys in a bloody battle and prepares to kill it when she notices it's wearing Riku's necklace. Hanyuu wonders if Riku learned about the bandits and tried to inform her but was cornered and demonified, and the monster reveals that he's aactually a Putus and was the same person who attacked Onigafuchi long ago. He possessed Riku's body to get revenge on Hanyuu.

Hanyuu is reluctant to fight and gets beat up, but she steels herself and declares that she will inherit all the sins of the world and be hated until she dies. She delivers a decisive blow and the Putus tries to leave Riku's body, however Riku regains control and forces him to stay. Riku tells Hanyuu that no matter what, he will always love her. Hanyuu reciprocates and tearfully kills both Riku and the Putus.

Hanyuu fakes her death, making it seem like she and Riku gave up their lives protecting Onigafuchi from bandits to prove their innocence. The villagers find Riku's corpse and scraps of Hanyuu's clothing, regretful at their suspicion. Shino adopts Ouka and raises her.

Hanyuu loses the ability to maintain solid form after that battle and spends the next 10 years recovering and fighting Grifys at other places. One day, Hanyuu returns to Onigafuchi and ruminates on her time with Riku when she meets the 10-year-old Ouka. Ouka seems to be the only person who can see Hanyuu in her ghost form. Hanyuu introduces herself as Oyashiro-sama and then as her real name Hai-Ryun Yeasomul Jedha. Ouka decides to nickname her "Hanyuu", surprising her with the coincidence. Ouka asks Hanyuu to stay with her, and she accepts.

Hanyuu takes up residence in the ritual storehouse and continues to be involved in Ouka's life for the next 10 years. At some point, Ouka comes down with a horrible disease that had a high mortality rate, and Hanyuu uses Ryuuou's functions to make medicine for her. Ouka later asks Hanyuu to teach her swordsmanship skills after watching her practice with a katana.

Ouka and Hanyuu have a discussion regarding the former's goals in life, as Ouka knows her parents were regarded as heroes of the village and wanted to live up to them. Hanyuu tells Ouka that she needs to live as Ouka Furude herself and that she has already met the village's expectations with the way she's praised by them now.

One day, Hanyuu eavesdrops on Ouka and Shino discussing an epidemic that has spread across the village, and they fear they have to abandon Onigafuchi. Ouka asks Hanyuu to make medicine for the village like she did for her long ago, but Hanyuu refuses. Her job as a Ryuun was to coexist with humanity and not interfere more than necessary; Hanyuu curing Ouka was a loophole since she's half-Ryuun. Ouka pleads with her to reconsider, but Hanyuu asks her to instead think of the long-term consequences that would spiral out from her mass producing medicine. A saddened Ouka denounces miracles and is interrupted by Fuuka telling her that Shouji's become infected as well.

Seeing Ouka's sorrow, Hanyuu decides she doesn't want Ouka to regret ever meeting her and agrees to make medicine. The next day, Ouka cures her husband and distributes extra medicine to the villagers, saying Oyashiro-sama taught her how to make it. Months go by as word of the "demon medicine" spreads across the land, and soon people from villages all over are coming to Onigafuchi to get some for themselves.

One day, Ouka informs Hanyuu that a medicine chest set to go out to a neighboring village has disappeared, apparently stolen by bandits. Hanyuu observes as Ouka meets with Shino and Mao to clear up suspicion between the Three Families and arrange a plan. Later, the women place another medicine chest out and stand watch at night. After watching Shino and Ouka have a heartfelt conversation, Hanyuu considers departing the village as Ouka is living a good life with her family and friends here.

The women capture the bandits and discover that they were bribed by the feudal lord to steal the demon medicine. Soon, the feudal lord sends a decree demanding to have the prescription to the medicine. Hanyuu agrees to give Ouka a written prescription of the medicine but wonders if this is really the right thing to do. Hanyuu tries convincing Ouka to leave the village with her family and return once the medicine has run out, eventually bringing the village peace. Ouka considers it but wants more time to have an answer. Hanyuu accepts and continues to make more medicine to match the demand.

Hanyuu overhears Mao and Shino talking in private and planning to solve the medicine crisis behind Ouka's back. Hanyuu thinks about telling Ouka about this and convince her more to leave the village, but when she returns to the shrine, she sees Ouka being attacked and tortured by villagers that faked illness earlier to get free medicine and sell it. Hanyuu is driven to anger at seeing Ouka's goodwill being trampled on and goes on a murderous rampage, killing the villagers with her claws and setting Onigafuchi ablaze.

Chaos ensues as survivors flee the burning village while Hanyuu kills anybody who stands up to her and relishes in their despair. Hanyuu is lost in her godlike delusion when Ouka arrives and attacks her with a katana. Hanyuu is confused since she did everything Ouka asked of her and was just giving punishment to all the lowlife humans, however Ouka is hurt by that remark and reveals she knew all along she was Hanyuu's daughter. Ouka takes it upon herself to defend the village as a Furude and engages her mother in combat.


Ouka is no match for Hanyuu's strength due to her prior injuries, but she demonifies and is able to gain the upper hand by using everything Hanyuu taught her about swordsmanship, including her mimicking of Hanyuu's fighting style. Hanyuu is distracted when she sees how similar Ouka is to Riku and begs her to stop, but Ouka impales her through the heart with her sword.

The attack wasn't enough to finish off Hanyuu, but she did regain her sense of self for a time. Hanyuu stops Ouka from killing herself at the shrine and hands Ryuuou over to her, tasking Ouka with killing her so she can take on all of humanity's sins as a demon. Ouka is unwilling to go through with killing her mother now that she's returned however Hanyuu says she must do it quickly, otherwise Hanyuu will regenerate and lose her mind again. Hanyuu wants to die as herself and expresses that meeting Riku and having Ouka were the best things that have ever happened to her.

Hanyuu asks Ouka not to turn out like her, and Ouka kills her using Ryuuou's three-pronged form.


  1. Kotohogushi-hen Chapter 4
  2. Kotohogushi-hen Chapter 6