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Riku Amami
Jinki Form 
Voiced by: Junko Minagawa

Riku is the story's protagonist and a high-school student who lives with his father (absent for most of the story) and stepmother, Shizuru. He was in love with Shizuru's younger sister, Amane, but she is presumed to have died two years ago in a fire at Kazama Hospital. He receives a text message from her phone address and goes to the place of her death, providing the setting for the start of the series.

After sustaining, near start of the series, a fatal wound from a Kanshuu, Neene turns Riku into a special Kanshuu that can retain his own consciousness as long as he has a Jinki.

  • Zero-Approval Gambit: He's done a few. All justified. By having the people's hatred focused on him, his allies can focus on saving the world.
  • Affectionate Nick Name: He is called "Ricchan" by his family.
    • Clara and Joe call him "Rikkun/Rick".
  • The Atoner: After Neene's death and the memory trip, he seeks to atone for his lies.
  • Bifurcated Weapon: Part of his sword detaches into a smaller dagger after he gains a second Jinki core.
  • Big Sister Attraction: He was in love with Amane, his step-aunt, whom he considered as an older sister.
  • Cool Sword: Chainsaw sword... with attachable baton. At the end of the series, he gets a laser one to replace it.
  • Consummate Liar: He considers himself to be a great liar.
  • Chainsaw Good: A feature of his sword.
  • Character Development: Being some normal, socially-awkward high schooler thrown into the war against the Kanshuu, and Youhei's sacrifice to save him, started his rising up in development. Once his constant lying led to Neene's death, however, his resolution to not lie anymore causes Riku to rapidly shift for the better and into a much more well-adjusted and open-minded individual that does his damnedest to save everyone.
  • Earn Your Happy Ending: Dear sweet lord does he go through a lot! It even takes a Zero-Approval Gambit to get Rena's "memories" back and restore her. He's earned his Tears of Joy when it's all over.
  • Facial Markings: When transformed.
  • The Glasses Come Off: When transformed. A Justified Trope, as the Jinki transformation corrects his vision. Upon gaining Nanami's Jinki core, the effect becomes permanent even when the Jinki cores aren't active, eliminating his need for glasses entirely.
  • Heroic BSoD: Several, all justifed.
  • Impaled with Extreme Prejudice: Repeatedly.
  • Impossibly Cool Weapon: Chainsaw Sword. Best weapon ever.
  • Locked into Strangeness: After getting his second Jinki core his hair stays white.
  • Megane
  • Missing Mom: His real mother died when he was a young child.
  • My God, What Have I Done?: Neene had come to realize that she really was just a means to an end for the restoration of Amane rather than Riku seeing her for herself, and performs a Heroic Sacrifice as a result of Riku's lies catching up to him in full force right as he was finally realizing he shouldn't treat Neene as Amane.
  • Nice Job Breaking It, Hero!: Let's just summarize this entry by saying that the world is not kind to Riku... Not at all.
  • Not So Different: From Shirou Karasawa. This fact maddens him to no small degree, though it also triggers his Character Development to not turn out the same way.
  • Only Mostly Dead: It's amazing how many times he's "died" only to show up again later.
  • Papa Wolf: Don't mess with Neene! He not only sees her as his daughter, but he treats her as such, and he's extremely protective of her. Whatever flaws he may have, he's the only "Master" of a Coffin Princess in the entire story to treat them properly like a human being, and actually care for her openly.
  • Poor Communication Kills: Being a Consummate Liar lets Riku play allies to his advantage early series, but soon enough the consequences of misinformation and a heavy variety of lies gets Neene killed.
  • Power Dyes Your Hair: His hair turns completely white save for two strands of hair that turn red.
    • Becomes permanent after getting his second Jinki core.
  • Slut-Shaming: On Sawako. Justified.
  • Spell My Name with an "S": Or rather, the alias he earned through infamy on the net. Earliest translations rendered it as the unaltered romanization "Suraga." Another came up with "Slager." And yet another interpreted it as a transliteration of the word "Slugger," which may be the most appropriate due to his fighting style when he first received his Jinki.
  • Supernatural Gold Eyes: Only when he transforms.
  • Superpowered Evil Side: When he was infected.
  • Super Senses: Part of the C.A.G.E Package
  • Take My Hand: Four times, all beautifully done.
    "There had been 3 people (Rena, Youhei, Takao) who grabbed my hand... But she Rena was the first one whose hand I grabbed."
  • The Tell: He has a habit of licking his lips a little when he lies. For obvious reasons, he gets periodic close-ups on his mouth.
  • Unresolved Sexual Tension: With Rena, obviously.
  • Unstoppable Rage: When he gets pissed, he's almost unstoppable.

Rena Arisugawa Ootori
Jinki Form 
Voiced by: Kana Asumi

A young Jinki user who is depicted as a quiet and serious person focused on her job, who frequently takes the lead when fighting Kanshus. After Youhei's death, she becomes Riku's partner, whom she appears to have become attracted to, after their meeting with the Source of Infection. She is a Lost Rebound victim; her entire family was killed in Hatsumi Island during the original infection and became Kamogari.

  • Abusive Parents: The Ootori family, her biological family, planned to kill her and make her a Kyuuki/Coffin Princess. She was harshly trained and even stripped off her birth name, only to be named "Mitama" (Holy Spirit). Her mother and grandmother were insistent on it, only her father seemed to be against it.
  • Affectionate Nick Name: Clara refers to her as "Alice-san"/Miss Alice. It's based on her surname Arisugawa.
  • Action Girl: She kicks the most ass in the series.
  • A-Cup Angst: Mercilessly reminded by everyone, amusingly enough she is the resident Ms. Fanservice.
  • Broken Bird: Once Rena finally remembers all of her past, the entire rest of the series is her being wrought with guilt and self-loathing as she stops considering herself human. The only things that really reach to her are Riku and Neene - and she still turns herself into the third Coffin Princess in spite of their worries, believing such a fate doesn't even begin to make up for what she's done.
  • Chainsaw Good: A feature of her chakrams
  • Creepy Child: Given all the abuse and the horrible situation she was dealing with it doesn't come as a surprise.
  • Facial Markings: When transformed.
  • Forgotten Childhood Friend: Ryuusei Takao used to be her only friend.
  • The Glasses Come Off: When Transformed.
  • Happily Adopted: By her "master" Shizuku Arisugawa.
  • He Is Not My Boyfriend: Repeatedly with Riku. She vehemently denies having any sort of romantic inclination towards him. At least at first.
  • Heroic BSoD: After recalling her lost memories.
  • I Want My Beloved to Be Happy: She resolves to save Neene/Amane for Riku, as she loves Riku and Neene and considers them to be her family. Even though that would mean that she has to die and become a Kyuuki.
  • Impossibly Cool Weapon and she wears Impossibly Cool Clothes
  • Laser-Guided Amnesia: She's a "Lost Rebound", victims of Kanshu outbreaks that cause almost everything they know to be lost. This was a result of Hatsumi Island being wiped off the face of the Earth by Julie and Ende as the Kanshu wiped out her clan and caused her to suffer a mental break.
  • Laughing Mad: When her family is killed and she is freed of her deadly fate.
  • Meganekko: Wears a pair of glasses as a diguise.
  • Ms. Fanservice: A lot of scenes have her showing up as this.
  • My God, What Have I Done?: When Rena scores one of the first Black Kanshu kills, she notices that it was using a strangely familiar martial arts style. And in its dying words, she realizes it was her father.
  • Only Mostly Dead: In the final battle, she sacrifices herself to stop the cocoon, and gets torn to pieces. Chapter 97 is Riku hunting the world to get her "memories" back so she can be put back together. He succeeds.
  • Raised by Grandparents: After losing her memories she is taken in and raised by Shizuku Arisugawa, who becomes her adoptive grandmother.
  • Rapunzel Hair: When she lets her hair down.
  • Stern Teacher: To Riku
  • Stripperiffic: Her battle outfit, as Lampshaded by Nanami.
  • Supernatural Gold Eyes: When she uses her Jinki powers her eyes turn gold. Now that she is a Kyuuki it's possible that they might be permanent gold. Just like Riku.
  • Super Senses: Part of the C.A.G.E Package
  • Take My Hand: To Riku, while he's Heroic BSoD. He returns the favor.
  • Tsundere: Towards Riku initially.
  • Unresolved Sexual Tension: With Riku, obviously.
  • When She Smiles: Riku hates it, because at first her smiles are full of sadness.
  • Who Wears Short Shorts?: Rena wears short shorts!

Grown Up 
Voiced by: Chiwa Saito

Neene was hatched from a cocoon at the start of the story, and grows at a rapid rate, experiencing a growth spurt occurring each time she uses her powers in a Kanshuu fight. A mysterious entity who has an uncanny resemblance to Riku's dead aunt Amane. Neene recognizes Riku as her "papa" and later Rena as her "mama".

As the series progresses, she demonstrates various powers, such as turning Riku into a Kanshuu after he is wounded in a fight and creating a giant ball of light that disintegrates anything inside it. She is eventually revealed to be a Kyuuki/Coffin Princess, a queen Kanshuu who receives the memories stolen by other "drone" Kanshu, and she grows as she absorbs more memories.

  • The Cutie
  • Daddy's Girl: Neene. Played for laughs. Later also Mommy's Girl with Rena.
  • Famous Last Words: "Liar".
  • Happily Adopted: By Riku, who becomes her papa. She later "adopts" Rena as her mama.
  • Heroic Sacrifice: Neene sacrifices herself to stop rampaging Ende, and was narrowly saved by Amane. Made more poignant with her calling Riku a liar, while it is clear that he has begun to sincerely care for Neene, not just as Replacement Goldfish for Amane.
  • Identical Stranger: She strongly resembles Amane, prompting people to think that she must be Amane's daughter or at least a close relative. The truth is that her nature as a Kyuuki means that she is actually Amane, or more exactly that she will become Amane.
  • Plot-Relevant Age-Up: Neene grows faster than a normal child. She ages as she absorbs memories, otherwise her growth rate is akin to that of a normal human.
  • Replacement Goldfish: Takao tells Riku that if he raises Neene she'll grow up to become Amane. But as the story advances Riku begins to care for Neene as just herself, "his daughter", and not as a replacement for Amane.
  • Rose-Haired Sweetie
  • She Is All Grown Up: After a three months Time Skip after her supposed death she appears to have grown older, looking the same age as Amane, in fact it may be because Amane's ego has woken up.
  • Shipper on Deck: Riku is her papa and Rena is her mama.
  • Sprouting Ears: Neene does this at crucial moments. Normally they are also present, but closed.
  • Supernatural Gold Eyes
  • Token Mini-Moe: When she's a child.
  • Younger than She Looks: She is born looking already like an almost two years old child. And as the story advances she keeps growing older, even though she should only be a few weeks old.



Shirou Karasawa
Voiced by: Toshihiko Seki

The main antagonist for the first half of the series, he was known as the Source of Infection that creates and controlled the Kanshuu. Shirou is the son of the elder Tokiji, who lived with his mother after a court case drove them away. When his mother died, he went to see his father but was denied the privilege. That day he met Sayoko Tokiji, who showed him kindness, and thus he fell in love with her. Since that time, he has also sworn to destroy his father, the head of Tokiji and worked his way into the company.

  • Affably Evil: He's pretty polite and only wanted Ende back, minus the whole Kanshuu spreading, killing people thing.
  • The Atoner: In his final moments...
  • Because You Were Nice to Me: He fell in love with Sayoko when they met each other as children since she was kind to him. After meeting again as adults he fell in love with her again.
  • Bespectacled Bastard Boyfriend: He is the man that Sawako was enganged to.
  • Big Bad: He is the "Source of Infection", meaning that he is the one who creates the "Kanshuus". Though in reality, he was just awakening the latent spores within people after coming to understand how Kanshuu work and becoming one himself, and he's really only the Disc-One Final Boss compared to what follows after his defeat.
  • Body Horror: What his true form looked like after his last fight with Takao, it was not pretty.
  • Four Eyes, Zero Soul: He's a monster early on.
  • Bastard Bastard: He is the illegitimate son of a powerful rich man the Tokiji patriarch. He used to be leaning more towards the Heroic Bastard side of illegitimacy, but it all changed after his Start of Darkness.
  • Incest Is Relative: Sayoko and Sawako are his father's grandchildren... Which means that they are his nieces...
  • Intergenerational Friendship: Had a friendly relationship with Takao. Shirou was one of the few to be nice to him and Julie. He relied on Takao and trusted him a great deal. The boy's "betrayal" hurt Shirou enormously and he would later "get even" with him.
  • Love Makes You Evil: His love for Sayoko/Ende and his desire for revenge are his main motivations.
  • Revenge Before Reason: He wants to avenge Sayoko. Plus his original purpose was to get even with his father for discarding his mother and himself.
  • Start of Darkness: The Hatsumi Island incident.
  • We Used to Be Friends: He used to be friends with Ryuusei Takao.
  • Wicked Cultured: Carries this appeal.


  • Because You Were Nice to Me: Ultimately ends up working with Riku because he showed her the truth of the Hatsumi Island incident and approached her with kindness.
  • Heel–Face Turn: She later works with FLAG and Riku. She also makes it possible for the Lost Rebound victims to recover.
  • Replacement Goldfish: She is after all a Kyuuki, she is the replacement for Sayoko.
  • Rapunzel Hair: Only Julie's was longer among the Kyuuki.
  • Supernatural Gold Eyes: As a Coffin Princess.
  • Undying Loyalty: Towards her master. His death leaves her struggling to find an identity for herself until the very end.
    • Ultimately this also applies to Riku thanks to his helping her. She more than pays him back by the epilogue by helping reveal him to not be a bad guy after all in his process to restore Rena.
  • You Gotta Have Green Hair: Given that she's a Kyuuki, it only highlights her more alien nature.


A type of new creature that devours memories, the Kanshu are made through a virus which can travel through electromagnetic waves, and can also infect through Television, radio, and speakers. The virus takes over the consciousness of the infected, effectively destroying it. Anyone that becomes or is killed by a Kanshu is forgotten completely, with few exceptions.
  • Emotion Eater: Memory eater, to be exact.
  • It Can Think: When some of the Kanshu start appearing even in daytime to specifically target Neene, the cast start freaking out that they're actually gaining strategical capability. Shirou was really the one responsible for this, but there are signs that some do have this capacity, such as the Black Kanshu that was Rena's father.
  • Ret Gone: They can inflict this...
  • The Reveal: Kanshu are the result of spores from the Embyro, an alien database ship of sorts that stores the memories of living people within it and which the Coffin Princesses protect. When the Embryo first arrived at Earth, the spores spread all over - meaning all of humanity are secretly dormant Kanshu, and the "virus" is just the trigger awakening; the reason why Lost Rebound and memory loss occurs is because the latent dormancy in people "shut out" witnessing such events from their minds through the links all of humanity has and the memories being consumed and sent up to the Embryo. Learning this caused Amane to cross the Despair Event Horizon, and drives both Riku and Rena into a Heroic BSoD.
  • Was Once a Man: Kanshu are humans transformed into horrific beasts, and if that wasn't bad enough, it's the inevitable fate of Jinki users if they ever lose their orb. Not a single person has ever managed to be turned back to normal from one - until Riku is kept sane and stable by Nenee, and reverts via Youhei's Jinki. This foreshadows that the powers of the Coffin Princesses can revert Kanshu in the right circumstances, and by the end of the series humanity can regularly revert all Kanshu they fight.
    • Notably, the Black Kanshu are a special case because they're the denizens of Hatsumi Island.
  • Weakened by the Light: A consistent rule with Kanshu was that they only appear at night time. The series quickly bends this rule before Riku even has time to come to grips with it.


Takao Mishima Ryuusei Takao
Voiced by: Kentaro Ito

  • Abusive Parents: Well abusive grandfather in his case.
  • Affectionate Nickname: He was called "Ryuu-chan" by his mother/Julie and "Ryuu-kun" by Rena.
  • Adorkable: His interactions with Yui are quite funny and sweet.
  • Brutal Honesty: Given that he doesn't lie.
  • The Caretaker: For Julie, who despite possessing an adult body had the mentality of a child.
  • Dark and Troubled Past: Very dark, very...
  • The Dreaded: He is the Hunter of Jinkis after all.
  • Even Bad Men Love Their Mamas: He loved his mother (Yuri, and her Kyuuki, Julie) a lot and is still quite devoted to her. Technically he is not evil, but sort of an antagonist.
  • Forgotten Childhood Friend: He and Mitama/Rena were each other's only friend. He still remembers her, but she doesn't. Justified since Rena suffered from "Lost Rebound" so she doesn't remember him until she regains her memories.
  • He Who Fights Monsters
  • Hunter of Monsters: He only hunts Kanshuus and Jinkis, the latter he does it exclusively for their cores. Which were created from Julie.
  • Intergenerational Friendship: Used to be friends with Shirou, as he was of the few to be nice to him and Julie. He gave him information about the Kyuukis/Coffins Princesses and ultimately helped him bring Ende into this world. Sadly he eventually got caught by the adults of the village and was forced to "betray" Shirou.
  • The Lost Lenore: Julie served as this for him initially, which is why he sought to kill all Jinki users to get them back and try to restore her. When Yui ends up dying because of his actions, however, the immense guilt rapidly drives him even deeper into becoming The Unfettered just as he was showing signs of opening up again.
  • Meaningful Rename: Ryuusei created the alias "Takao Mishima" borrowing the fake last name that Sayoko, his teacher, used.
  • Mercy Kill: To some of his "victims".
  • One-Man Army: Tears through Kanshuu and lesser Jinki-users.
  • Revenge Before Reason: His motivation is to find the "Source of Infection", his name being Shirou, and get his revenge on him.
  • The Stoic: Most times.
  • Serial Killer: How he is perceived by the rest of the world.
  • Spanner in the Works: Multiple times his appearance really throws everything everyone had planned into disarray. And he does it one last time in the epilogue when he forces Riku's fake badguy machinations to come to light to all of his former friends, which also helps restore Rena at last.
  • We Used to Be Friends: He used to be friends with Shirou Karasawa.
  • Will Not Tell a Lie: He decided to live by this principle.

An organization that fronts as a cell phone company, they handle the Jinki Users and Kanshuu incidents.

Sawako Tokiji
Tokiji Sawako is the Chairwoman of F.L.A.G. and one of the heirs to the Tokiji Company. In the past, she was engaged to a man called Karasawa, and she was pregnant with his child. After turning into a Kanshuu he was captured but he could apparently still control his mind, he talked her into releasing him by claiming he was in pain and then attacked her. The resulting injuries rendered her unable to bear children anymore, and she stated that the attack also killed the child she was pregnant with.

She became a manipulative woman, willing to drive Riku into a rage if it meant bringing an end to the Infection. She disappeared after Ende's attack and was hospitalized in a coma until fragments of Shirou returned her stolen memories.

  • Always Identical Twins: She and Sayoko were identical twins, the only way to difference them was Sayoko's scar.
  • Angsty Surviving Twin: She forgot about her twin sister Sayoko, given that her loss would be too much for her to handle.
    • When she finally remembers her she starts crying and exposes herself to a really dangerous situation.
  • Beauty Mark: Under her left eye.
  • Bitch in Sheep's Clothing: She's good at hiding it and Riku only saw through it at first with help from the "Source of Infection" Shirou.
    • She is not a bad person at heart, but she's determined not to make the same mistake as before to prevent more people dying like when she released Shirou. So she commits the exact opposite mistake, and it costs her dearly.
  • Defiled Forever: Since she lost her child and became unable to have more children, after the injuries she received when she was attacked by Kanshuu-Karasawa, she is treated like this by her grandfather.
  • Freudian Excuse: After all that happened with Karasawa, she decided that she would do anything to ensure that F.L.A.G. would find the "Source of Infection" destroy it and eliminate Kanshuus forever.
  • Incest Is Relative: Unknowingly to her she was in a relationship with her uncle, as Shirou Karasawa was her grandfather's illegitimate child.
  • Kind Hearted Cat Lover: She has TEN cats, and she ends up adopting the cat of a Jinki user who died.
  • Laser-Guided Amnesia: She doesn't have any recollection of ever having a twin sister, at first.
  • Poor Communication Kills: She alienates Riku by lying to him, a Consummate Liar, which makes him far more likely to see through it. To make it worse, she has people experiment on Neene without his knowldege or consent. To say that goes wrongly is an understatement of legendary proportions.
  • Replacement Goldfish: She was more or less this for Shirou.
  • Shameful Strip: Her grandfather has a truly depraved ritual that he puts her through every time she comes to visit him, especially if he summons her. He calls her to his bedroom, loudly and angrily demand that she disrobe, to expose the scar of her injury which rendered her barren, and then slut shames her before throwing her out again. Yeah, he's not winning any parent of the year awards. Mental illness or no.
  • Slut-Shaming: On the receiving end from both Riku and her grandfather. Her grandfather does it because he's mentally ill, and a dick. Riku does it because she not only pissed him off by experimenting on Neene which let "The Source of the Infection" contaminate and use More Than Mind Control on Neene, but then she goes and serves to enrage and disgust him even further by "offering to help him with his virginity" as he's cornered, and using her as a hostage.
  • Theme Twin Naming: "Sawako" and "Sayoko".
  • Trauma Conga Line: Sawako has had a rough time since finding out that her former fiancee was "alive". Not only didn't he even care about her, he openly mocked and scorned her and tried to kill her. Then, when she finally remembers the existence of her sister, Sayoko, and goes to confront Ende, hoping that she may recognize her... But Ende doesn't and she categorizes Sawako as her enemy and tries to kill her. This doesn't even account for what her grandfather puts her through, or what she brings on herself by pissing off Riku.
  • Unwitting Instigator of Doom: Twice. First she lets herself be tricked by Shrio, by being a bit too honest with him, then she makes the exact opposite mistake by outright lying to Riku and Neene. Both times go very, very badly.
  • Well-Intentioned Extremist: Karasawa has to be stopped, even if it means sacrificing someone else to do it.

Sayoko Mishima Tokiji

    Annex Division 
The department that handles underage Jinki Users.

Youhei Takebe
Jinki Form 

Youhei is a Jinki user and Rena's partner. He is depicted as an optimistic and cheerful person. Before the series began, he and Riku met during their stay at the hospital and became fast friends. At the start of the series, Youhei and Rena rescued Riku when he was first attacked by Kanshus. His Jinki resembles a short blade and was given to him by his teacher, to save him from Kanshuu-inflicted wounds. In an ironically similar situation, Youhei ends up entrusting his own Jinki to a wounded Riku. At his own request, he is beheaded by his old friend before he could become a complete Kanshuu.

Hayato Tsukishiro
Voiced by: Tomoaki Maeno

19 years old, Department leader of the annex division. He looks out for the underaged Jinki users and is shown to care about them greatly, not even hesitating to disobey the chairwoman's orders so as to protect his subordinates. He was Youhei's former partner before Rena, and has a Jinki as well.

Joe Kirishima
Jinki Form 

Clara Kirishima
Jinki Form 
Voiced by: Ayahi Takagaki

    Reserves Department 
The department that Jinki users get sent to when they are running out of power, they handle the Lost Rebound victims.
  • Adult Fear: There are over 30 Jinki Users in the reserves department, but the majority don't fight. They know that their deaths would lead to them being erased from memories and are terrified because they have too much to leave behind, such as children, that can't go on without them.
  • Sacrificial Lion: Did they all really have to die?

Nanami Kiritani
President of the Reserves Department's "Jinki users mutual aid society" (a.k.a. The Meeting Of Flags). She works as a volunteer counselor, going around the hospitals and homes to lend a hand on taking care the Lost Rebound victim. Her Jinki "Nuiyami" has the ability to revitalize other Jinki Core, although it can't repair the one that already damaged.


     Riku's Family 

Shizuru Amami
Voiced by: Sayaka Ohara

Riku's stepmother, she witnessed Neene's birth and acts as a surrogate mother to Neene. She was originally a student of Riku's father, but moved in with her sister when their father died. After 8 years, she married his dad and they lived as a family ever since.

Amane Sasamori

  • Action Girl: She used to be in the kendo club. In fact Riku was never ever able to beat her. When her ego wakes up in Neene she becomes a Dark Action Girl.
  • Affectionate Nick Name: She called Riku "Ricchan" and Shizuru "Shizu-nee". Riku refered to her as "Amane-nee".
  • Ambiguously Human: She and Rena's master were the only characters that could see the Embryo in the sky naturally, well ahead of the rest of the plot even revealing it to be a thing, and while Rena's master had ties to Hatsumi Island which had two of the Kyuuki Cocoons, Amane was somehow on the mainland with the third Cocoon stored inside of her and even accidentally warped to and from the Embryo with it. She ultimately died and was reborn as a Kyuuki/Coffin Princess before she could understand why.
  • Anti-Villain: All that Faux Affably Evil bluster she has and all the murderous intent she shows? Nothing more than a coping method of extravagant lies, to paint herself as the villain of the world so either the Jinki users and other Coffin Princesses can come up with a solution against her "evil", or she kills all of humanity to convert their memories into data and save them from being corrupted into extinction by the Embryo. In reality, she was just a Broken Bird resigned to her fate of committing horrible deeds to ensure hope still lived, or dying in the process.
  • Cool Big Sis: To Riku.
  • Despair Event Horizon: An accidental awakening of the Cocoon dormant in her body sent her, Touga's older brother, and Rena's master to the Embryo, where the corruption inside of it consumed the latter two. Not only did the brother, the only person that knew the secret about the Cocoon inside of her, give her a Death Glare of absolute hatred as he was consumed, but the sheer emotional stress and information overload caused the Cocoon to obliterate the Kazama Hospital - and forced Amane into a Coffin Princess rebirth, "killing" her for reasons out of her control. Even worse, as her info was stored in the Embryo waiting to re-emerge once Neene grew up for her to replace, she realized the Awful Truth about the Kanshu and the spreading corruption, and decided all of humanity must "die" to be stored in the Embryo than to be driven extinct by the inevitable End of the World as We Know It. Both of these events turn her into the Big Bad of the second half of the series.
  • Disappears into Light: According to Riku, Amane didn't die inside the burning hospital, instead she disappeared after saying him goodbye.
  • Happily Adopted:By Shizuru's father.
  • Hypocrite: She told Riku to not lie, especially about hiding his emotions from others so that his parents wouldn't worry about him. She was just projecting her regrets, however, as she lied constantly to hide her own problems and paid for it in the end when no one was there to truly support her in her time of need. She fully acknowledges this once she finally spills everything out to Riku.
  • Irony: For all of the plot focus on her having told Riku to not lie and the consequences that result of it, Amane not only makes a masterclass web of lies to paint herself as a merciless villain that needs to be stopped, but unwittingly inspires Riku to take a Technical Pacifist approach to the same idea when he wants to save Rena's memories. In the end, both of them sold the world the biggest sweet little lies for good intentions.
  • The Lost Lenore: For Riku.
  • Manipulative Bitch: She manipulated the events of the story so as to get Riku to raise her Kyuuki, Neene, and be able to wake up the Embryo that will wipe out humanity.
    • Her actions are later revealed to be lean more on the Guile Hero side.
  • Mysterious Past: As the story unravels, the reasons why Amane died that night start to strongly shift towards abnormalities surrounding her, like how she was adopted and no one knew her true parents at all. Even when some of the questions are answered however, the story doesn't outright explain how Amane came to possess the third Kyuuki Cocoon, or why it was inside of her, beyond the implication that she was directly tied to the Embryo from birth.
  • Never Found the Body Because as a Kyuuki/Coffin Princess she has been "reborn" as Neene.
  • Not Blood Siblings: With Shizuru.
  • Parental Abandonment: Granted, she may have never even had parents, but it's implied that her only living relative was the woman that served as Rena's master and Surrogate Parent, given they both had the capability to see the Embryo and the woman responded to Shizuru's search for Amane's parents.
  • Phone Call from the Dead: Not as a phone call but as a cell-phone message to Riku, "Please Find Me".
  • Posthumous Character: She is already dead when the story begins.
  • Stepford Smiler: She hid her worries and problems behind a smile.
  • Tragic Villain: All of the horrible things she did was to save humanity from the corruption that was building up inside of the Embryo.
  • Walking Spoiler: Most of the series' mystery revolves around the abnormal circumstances of her death and connection to Neene, so the fact that she becomes the Big Bad in the second half of the series is meant to really catch the reader off-guard.
  • Well-Intentioned Extremist: Amane intended to save humanity all along from the overflowing corruption inside Embryo.

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