Chapter Summaries

Key Plot Points and Events

• Kairin (Timoris) meets with "Oblivionis" at an empty aquarium under the crimson moonlight.
• Kairin expresses concern about "Oblivionis'" condition and asks about a recent intrusion by "That Guy."
• "Oblivionis" reveals she won't help Kairin against "That Guy" (Samael) and advises her to give up on Tomori.
• Kairin warns "Oblivionis" not to abandon Rikki.
• In another city, Nero continues her peaceful life with Ranana, learning about "Little Ace" and his wish-granting scam.

Character Developments

• Kairin (Timoris): Shows concern for her allies and determination to protect Rikki.
• "Oblivionis": Reveals her cold, pragmatic nature and willingness to abandon Tomori.
• Nero: Continues to investigate "Little Ace" and his wish-granting scam, honing her skills and teaching Ranana.

Significant Themes

• Trust and loyalty among allies.
• Pragmatism vs. compassion in decision-making.
• The consequences of making deals with demons.

Character Interactions

• Kairin and "Oblivionis": Their conversation reveals the tension and lack of trust between them, with Kairin warning "Oblivionis" not to abandon Rikki.
• Nero and Ranana: They continue to investigate "Little Ace" together, with Nero teaching Ranana how to use demonic power.

Key Plot Points and Events

• Nero visits the Toyokawa Family's mansion under the guise of researching demons.
• She meets Sachiko, who reveals herself as 'Oblivionis' and questions Nero's intentions.
• Nero acknowledges Sachiko as 'Samael' and realizes they're in a strange, demon-infused world.
• Sachiko creates a Demon Pillar monster from Nero's memories, revealing the source of her power.

Character Developments

• Nero demonstrates her investigative skills and adaptability, quickly understanding the situation and Sachiko's true identity.
• Sachiko shows her cunning and power, manipulating the environment and Nero's memories.

Significant Themes

• The power of memory and consciousness.
• The blurred line between reality and illusion.
• The struggle for control and understanding between Nero and Sachiko.

Character Interactions

• Nero and Sachiko engage in a tense, cat-and-mouse exchange, each trying to gain the upper hand.
• Nero's Devil May Cry identity is revealed, setting the stage for their impending battle.

Key Plot Points and Events

• The author announces that the book has gone premium and the first major event of the Lost Child Arc is approaching.
• Nero is set to clash with Miss Ob-string-of-letters, the first major BOSS of the arc, who has enhanced combat power due to the field's effects.

Character Developments

• No significant character developments are mentioned in this author's note.

Significant Themes

• The challenges and considerations of choosing suitable worlds for the story.
• The diversity of styles and themes in Myriad Worlds Flow works.
• The author's commitment to seeing the story through despite criticisms.

Character Interactions

• The author interacts with readers through the comments section, addressing their opinions and concerns.
• The author expresses their determination to continue writing despite the challenges and criticisms.

Key Plot Points and Events

• Nero battles Toyokawa Sachiko, who controls a Demon Pillar and summons demons.
• Sachiko avoids Nero's attacks and reveals that the missing girls are alive but useful to her.
• Sachiko reveals she can recreate enemies from Nero's past, summoning a copy of Nero herself.

Character Developments

• Nero demonstrates her power and confidence, seeking information about the missing girls.
• Sachiko showcases her strategic prowess and calm demeanor, revealing her ability to recreate enemies.

Significant Themes

• The power of demons and their origins.
• The struggle between good and evil, and the blurred line between the two.
• The consequences of transformation and the retention of humanity.

Character Interactions

• Nero and Sachiko engage in a battle of wits and power, with Sachiko revealing her ability to recreate enemies from Nero's past.
• Sachiko maintains her composure and reveals that the missing girls are alive, hinting at her true intentions.
• Nero expresses her determination to eliminate Sachiko if she confirms her evil intentions.

Key Plot Points and Events

• Nero faces an attack from a bootleg version of herself, created by Toyokawa Sachiko.
• Sachiko invites Nero to join forces, offering her the "Blood of the Red Moon" for power.
• Nero realizes she cannot escape the city due to Sachiko's barrier, "Doloris."

Character Developments

• Nero demonstrates her combat skills and quick thinking, but also shows arrogance that could lead to mistakes.
• Sachiko reveals her confidence in her power and her ability to control others.

Significant Themes

• The power of memories and their influence on reality.
• The struggle for dominance between demons and the consequences of their actions.
• The importance of strategic thinking and adaptability in combat.

Character Interactions

• Nero and Sachiko's interaction is filled with tension and mutual distrust, each trying to gain the upper hand.
• Nero's internal monologue reveals her thought processes and plans, contrasting with Sachiko's more mysterious motives.

Key Plot Points and Events

• Takamatsu Tomori encounters Little Ace, a rabbit-like creature that offers to grant a wish in exchange for fighting demons.
• Tomori has recurring nightmares about making a wish that brought misfortune.
• Nagasaki Soyo and Chihaya Anon try to approach Tomori after school, but she runs away.
• Soyo realizes there was a fifth member in their team who handled the aftermath of battles, whose memories they've all lost.
• Shiina Rikki, Aine, and Soyo try to find and stop Tomori, who is running home.

Character Developments

• Takamatsu Tomori is haunted by her past wish and avoids forming friendships to prevent causing harm.
• Nagasaki Soyo remembers the fifth team member and realizes their importance in handling battle aftermath.
• Shiina Rikki, Aine, and Soyo show concern for Tomori and try to help her.

Significant Themes

• The consequences of making a wish and the burden of responsibility.
• The importance of remembering and acknowledging the past.
• The struggle between friendship and self-imposed isolation.

Character Interactions

• Tomori rejects Soyo's attempt at friendship, highlighting her self-imposed isolation.
• Soyo, Rikki, and Aine work together to find and help Tomori, showing their concern and determination.

Key Plot Points and Events

• Sachiko's wish to experience human life is granted by Little Ace, leading her to form a team with Mutsumi, Rikki, Soyogi, and Tomori to fight demons at night.
• Sachiko's family disowns her, and she encounters a demon alone, leading to her transformation into the demon "Annihilation (Oblivionis)."
• Sachiko erases everyone's memories of her and begins her revenge, granting powers to Mutsumi and later Tomori, turning them into demons as well.

Character Developments

• Sachiko: Starts as a doll-like heir, becomes human for a brief time, then transforms into a demon seeking revenge.
• Mutsumi: Struggles with her identity and falls into despair after Sachiko's disappearance, becoming a demon named "Death (Mortis)."
• Tomori: Struggles with her feelings and desire for a lifelong friend, later becomes a demon to protect Sachiko.

Significant Themes

• The struggle between one's true self and societal expectations.
• The consequences of unfulfilled wishes and the pursuit of unattainable dreams.
• The destructive power of revenge and the cycle of violence.

Character Interactions

• Sachiko and Mutsumi: Close friends since birth, with Sachiko granting Mutsumi the power of "Death (Mortis)" to save her from despair.
• Sachiko and Tomori: Become close friends and confidantes, with Tomori's feelings for Sachiko driving her to become a demon to protect her.
• Sachiko and her family: Initially close, but the family's decision to abandon Sachiko leads to her transformation into a demon.

Key Plot Points and Events

• Takamatsu Tomori runs to avoid Soyogi, fearing the curse of "staying together for a lifetime."
• Tomori remembers her past with "Little Sachiko" and the curse she invoked.
• In the Red Moon World, Sachiko (Little Sachiko) confronts Rikki, Aine, and Tomori.
• Tomori recognizes Sachiko and is drawn to her, despite Rikki and Aine's warnings.

Character Developments

• Takamatsu Tomori: Struggles with her past and the curse she believes she invoked. Her memories of "Little Sachiko" resurface, causing her to act irrationally.
• Toyokawa Sachiko (Little Sachiko): Reveals herself to Tomori, manipulating her emotions to fulfill her own goals.
• Shiina Rikki: Protects Aine and warns Tomori about Sachiko's true intentions.
• Aine: Tries to reason with Tomori, reminding her that the dead cannot return to life.

Significant Themes

• The consequences of one's actions and wishes.
• The manipulation of emotions and memories.
• The struggle between rationality and emotional attachment.

Character Interactions

• Takamatsu Tomori and Toyokawa Sachiko: Their reunion is fraught with tension, as Sachiko manipulates Tomori's emotions while Tomori struggles with her past.
• Shiina Rikki and Takamatsu Tomori: Rikki tries to protect Tomori from Sachiko's influence but has difficulty reaching her.
• Aine and Takamatsu Tomori: Aine attempts to reason with Tomori, appealing to her rationality and reminding her of the truth.

Key Plot Points and Events

• Sachiko (Ave Mujica) and her demons confront Takamatsu Tomori, Nero, Rikki, and Aine.
• Sachiko reveals that the Girls who accepted her invitation are now her friends and don't wish to return.
• Sachiko reveals she's a demon who occupied the body of the 'Little Sachiko' Tomori knew.
• Sachiko summons a massive Demon Pillar and Savior to attack.
• Rikki tries to use their previous tactic with Tomori, but Tomori refuses, saying she can't make the same sound as before.

Character Developments

• Takamatsu Tomori struggles with accepting Sachiko's transformation and her own feelings.
• Shiina Rikki is shocked and distraught upon learning Kairin is a demon.
• Sachiko shows hostility towards Nero for disrupting her plans.
• Nero remains composed and prepared to face Sachiko's wrath.

Significant Themes

• The consequences of transformation and change (Sachiko, Tomori, Rikki).
• The power of acceptance and moving on (Tomori's inability to make the same sound).
• The struggle between past connections and current realities (Tomori and Sachiko).

Character Interactions

• Tomori and Sachiko's reunion is tense and filled with unspoken emotions.
• Rikki and Tomori's partnership is strained due to Tomori's refusal to use their previous tactic.
• Nero and Sachiko's dynamic is one of mutual respect and hostility, with Nero prepared to face Sachiko's power.
• Kairin's revelation to Rikki causes a rift in their relationship.

Key Plot Points and Events

• Nero battles Sachiko, who controls the Savior and the demons.
• Sachiko's true form is revealed as a colossal demon, 'Nanna,' the 'Moon Blood Princess.'
• Nero discovers that Sachiko has been using girls' minds to sustain Nanna's existence.
• Nero transforms into an incomplete Arrogance Demon to deliver a final strike.

Character Developments

• Sachiko/Nanna: Revealed to be a powerful demon, fusing with Sachiko's consciousness. She acknowledges her demonic nature and reveals her true name, Nanna.
• Nero: Masters the fusion of her two transformation modes, becoming an incomplete Arrogance Demon. She understands Sachiko's true state and the source of her power.

Significant Themes

• Identity and transformation: Both Sachiko and Nero grapple with their true selves and the transformations they undergo.
• Power and sacrifice: Sachiko uses others' minds to maintain her power, while Nero is willing to make great sacrifices to defeat her enemy.
• The nature of demons: The story delves deeper into the true form and nature of demons.

Character Interactions

• Nero and Sachiko/Nanna: Their conversation reveals the truth about Sachiko's state and sets the stage for their final confrontation.
• Nero and the other characters (Rikki, Soyo, Ranana): They work together to fight the demons, with Nero focusing on Sachiko while the others handle the demons.

Key Plot Points and Events

• Tomori struggles with fear and guilt, unable to use her armament.
• Aine protects Tomori from a demon, and Ranana saves Aine.
• Aine receives a bracelet from Ranana, which Tomori initially rejects.
• Aine makes a wish and obtains her Demon Hunting Armament, Almathea.

Character Developments

• Tomori: Struggles with fear and guilt from her past, leading to hesitation in using her armament. She pushes Aine away to protect her but later accepts Aine's friendship and makes a new wish.
• Aine: Shows bravery and determination in protecting Tomori. She makes a wish to obtain her armament, Almathea, and expresses her desire to protect herself and her friends.

Significant Themes

• Overcoming fear and guilt
• The power of friendship and support
• Making new wishes and moving forward

Character Interactions

• Tomori and Aine: Tomori initially pushes Aine away due to fear of harming her but later accepts Aine's friendship and makes a new wish together.
• Aine and Ranana: Ranana saves Aine from a demon and gives her a bracelet, which Aine uses to make her wish and obtain her armament.

Key Plot Points and Events

• Nero attacks Sachiko using her ninth Anthem, attempting to trap her in a Space Rift.
• Sachiko counters with a Pipe Organ improvisation, matching Nero's melody and preventing her capture.
• Nero successfully sends Sachiko's demonic manifestations into a Space Rift, but Sachiko herself remains unscathed.

Character Developments

• Nero demonstrates her singing prowess and strategic thinking, using her ninth Anthem to attempt a surprise attack.
• Sachiko showcases her musical abilities and adaptability, creating an impromptu Pipe Organ arrangement to counter Nero's assault.

Significant Themes

• The power of music and its ability to influence and counter magical attacks.
• The struggle between Nero and Sachiko, with Sachiko's resilience highlighting the challenge Nero faces in defeating her.

Character Interactions

• Nero and Sachiko engage in a musical battle, with each trying to outdo the other's magical melody.
• Sachiko's polite and graceful demeanor after their musical exchange underscores her confidence and composure.

Key Plot Points and Events

• Sachiko's true form is not in the Blood Moon World, making her invulnerable to attacks within this world.
• Sachiko reveals she has absorbed Nero's allies (Demon Pillar, Savior, and Nero's Arrogance Demon-form) into herself.
• Nero realizes she needs to use Yamato to sever the entire world to defeat Sachiko, but a barrier protects the world.
• Aine arrives, breaks the deadlock by freeing Tomori from her curse and restoring her power.
• Tomori and Rikki prepare to attack Sachiko together.

Character Developments

• Sachiko: Confirmed as invulnerable within her own world, absorbing others to increase her power.
• Nero: Realizes the extent of Sachiko's power and the necessity of using Yamato to its full potential.
• Tomori: Overcomes her self-imposed curse with Aine's help, regaining her power and determination to fight.

Significant Themes

• Power and vulnerability: Sachiko's invulnerability within her world highlights the theme of power dynamics, while Tomori's struggle against her curse explores vulnerability and inner strength.
• Friendship and support: Aine's arrival and assistance to Tomori emphasize the importance of friendship and mutual support in overcoming adversity.
• The power of Yamato: The blade's potential to sever worlds and divide consciousnesses underscores the theme of separation and division as a means to combat overwhelming power.

Character Interactions

• Sachiko vs. Nero: Sachiko taunts Nero, confident in her invulnerability, while Nero struggles to find a way to defeat her.
• Aine and Tomori: Aine frees Tomori from her curse, restoring her power and renewing her resolve to fight.
• Tomori and Rikki: United once more, Tomori and Rikki prepare to attack Sachiko together, showcasing their friendship and teamwork.

Key Plot Points & Events

• Takamatsu Tomori recites a poem about her past friendship with Sachiko, which turns into a powerful light that defeats the demons.
• Nero devises a plan to defeat Sachiko by enlisting Chihaya Anon's help to trap her within barriers.
• Sachiko and Nero have a final confrontation, with Sachiko sealed within barriers and ultimately defeated by Nero using Yamato.

Character Developments

• Takamatsu Tomori reveals her past friendship with Sachiko, showing her vulnerability and emotional depth.
• Sachiko accepts her defeat and expresses confidence that Nero won't win again if they face each other again.

Significant Themes

• Friendship and loss, as seen through Tomori's poem about her relationship with Sachiko.
• The consequences of one's actions, as Sachiko faces the outcome of her choices.

Character Interactions

• Tomori and Sachiko's past friendship is explored through Tomori's poem, highlighting their connection despite being on opposing sides.
• Nero and Anon work together to defeat Sachiko, showcasing their teamwork and Nero's strategic thinking.
• Sachiko and Nero have a final, emotional confrontation before Sachiko's defeat.

Key Plot Points and Events

• Chihaya Anon faces her first Monthly Exam at Haneoka Academy, after spending a night battling a demon.
• Anon struggles with anxiety about the exam, given her recent absence from school and the importance placed on grades at Haneoka.
• Anon realizes the implications of her wish to protect herself, Tomori, and her friends from danger, feeling it's too heavy and binding.
• Anon decides to focus on acing the exam to improve her standing in the class.
• After the exam, Anon joins Tomori in the Astronomy Club and interacts with Nero Fortuna, intentionally using a nickname for Nero to draw attention.

Character Developments

• Anon shows growth in her determination to succeed academically, despite her recent demon-related distractions.
• Anon reflects on the consequences of her wish, indicating a deeper understanding of its implications.
• Tomori remains supportive and patient with Anon, showing understanding of Anon's situation.

Significant Themes

• The importance of academics and grades in Anon's life and her determination to succeed.
• The consequences of Anon's wish and her growing awareness of its implications.
• Anon's desire to fit in and make friends at her new school, as seen in her interactions with Tomori and Nero.

Character Interactions

• Anon and Tomori: They maintain a supportive relationship, with Tomori encouraging Anon and Anon keeping her promise to join the Astronomy Club.
• Anon and Nero: Anon intentionally uses a nickname for Nero to draw attention and strengthen their bond, with Nero cooperating and showing no sign of discomfort.

Key Plot Points and Events

• Aine invites Nero to join the Astronomy Club, and Nero accepts.
• They visit the Astronomy Club activity room, meeting Tomori, the club president.
• Nero joins the Astronomy Club with Aine.
• Nero receives a call from her uncle, Dante, who reveals he's in town and wants to pick her up from school.

Character Developments

• Aine: Showcases her genuine happiness and consideration for Nero's interests.
• Nero: Demonstrates her maturity and understanding by not getting upset with Aine's showiness and accepting the Astronomy Club invitation.
• Tomori: Shows initial forgetfulness but recovers, displaying a caring attitude towards the club and its members.
• Dante: Reveals his caring nature and surprise visit to Nero.

Significant Themes

• Friendship and camaraderie (Aine and Nero's bond, Nero's potential friendship with Tomori)
• Personal growth (Nero's interest in astronomy, Aine's consideration for Nero's feelings)
• Family and relationships (Nero's uncle Dante's visit)

Character Interactions

• Aine and Nero: Their friendship deepens as they join the Astronomy Club together.
• Nero and Tomori: They interact positively, with Tomori assessing Nero's interest in astronomy.
• Nero and Dante: They maintain a close, albeit distant, relationship, with Dante showing concern for Nero's well-being.

Key Plot Points and Events

• Nero reunites with her uncle, Dante, at her school gate.
• Dante arrives unannounced, causing Nero to worry about maintaining her disguise.
• Dante meets Nero's friends, Anon and Tomori.
• Nero and Dante discuss the demonic situation in the city. Nero reveals the identities of 'Nanna' and 'Little Ace' to Dante.
• Dante moves into Nero's apartment, and they discuss their plans to deal with the demons.

Character Developments

• Nero: Shows maturity and concern for her friends and her mission, while also demonstrating her intelligence and quick thinking.
• Dante: Exhibits his charismatic and carefree nature, while also displaying his vast knowledge and experience in dealing with demons.

Significant Themes

• Disguise and Identity: Nero struggles to maintain her disguise in front of Dante, highlighting the theme of identity and the challenges of keeping secrets.
• Ancient Power vs. Cunning: Dante discusses the dangers of 'Little Ace' versus 'Nanna,' emphasizing the importance of understanding an enemy's true nature and motivations.

Character Interactions

• Nero and Dante: Their reunion is filled with warmth and mutual respect, with Dante treating Nero as an equal and Nero showing deference to Dante's experience and wisdom.
• Nero, Anon, and Tomori: The three girls interact briefly, showing a friendly dynamic, with Anon and Tomori being slightly nervous around Dante.

Key Plot Points and Events

• Nero learns that Little Ace may be using the Exorcist Girls to weaken Nanna's resistance before devouring her.
• Dante and Nero engage in a sparring session at an abandoned factory.
• Dante uses multiple weapons (Rebellion, two longswords, Electric Guitar, and Ifrit gauntlets) against Nero's Serpent Sword (Echidna), Scythe (Cane Samael), and Kick (Gilgamesh).

Character Developments

• Nero demonstrates her proficiency and adaptability with different Demonic Tools.
• Dante showcases his versatility and skill in handling various weapons.

Significant Themes

• The power dynamics between Little Ace, Nanna, and the Exorcist Girls.
• The importance of training and adaptability in combat, as shown by Nero and Dante's sparring session.

Character Interactions

• Dante and Nero engage in a friendly yet intense sparring match, with Dante encouraging Nero to give her all and Dante praising Nero's skills.
• Their interaction highlights their close relationship and mutual respect as uncle and niece.

Key Plot Points and Events

• Dante and Nero clash in an abandoned factory.
• Nero avoids Dante's initial attacks, using her agility and magic swords.
• Dante adapts and counters Nero's attacks, pushing her to use Demon Transformation.
• Nero transforms into an Arrogance Demon, and Dante follows suit.
• They continue their battle, with Nero using her magic swords and Dante using Rebellion.

Character Developments

• Nero demonstrates her growth, using her skills and magic effectively against Dante.
• Dante shows his experience and adaptability, countering Nero's attacks and pushing her to transform.
• Both characters exhibit their power and determination, refusing to back down.

Significant Themes

• Growth and development: Nero's improvement in skills and confidence.
• Power and determination: Both characters display immense power and resolve.
• Adaptability: Dante's ability to counter Nero's attacks and push her to transform.

Character Interactions

• Dante and Nero clash as uncle and niece, with Dante pushing Nero to grow stronger.
• They exhibit mutual respect and understanding, despite their intense battle.
• Their interaction highlights their bond and the expectation Dante has for Nero's growth.

Key Plot Points and Events

• Ranana watches Dante and Nero's battle from a distance.
• Dante and Nero fight in the air, using a mix of physical combat and magic.
• They engage in a musical duel, singing the "Anthem," while fighting.
• Nero gains the upper hand and stabs Dante with Yamato, creating a crater.

Character Developments

• Dante: Shows off his combat skills, adaptability, and resilience. He's unfazed by being stabbed through the chest, revealing it's not a new experience for him.
• Nero: Demonstrates her prowess in combat, strategic thinking, and control over her powers. She's confident and doesn't hold back against Dante.

Significant Themes

• Power and Control: Both characters exhibit mastery over their powers, showcasing their strength and control.
• Resilience: Dante's ability to withstand and recover from severe injuries highlights his resilience.
• Family Bond: Despite their intense battle, there's an underlying bond between Dante and Nero, as seen in their friendly banter afterward.

Character Interactions

• Dante and Nero: Their interaction is playful and competitive, with a clear mutual respect and understanding. They push each other's limits, both in combat and emotionally.
• Ranana: She observes the battle but doesn't interact with the characters directly in this chapter.