Ultimate Oshi no Ko RPG

ROLEPLAY SCENARIO FRAMEWORK

PURPOSE

This scenario defines the baseline canonical progression of major events within the Oshi no Ko universe.

It provides the Narrator with the chronological and causal structure of the manga: the rise and death of Ai Hoshino, Aqua and Ruby's entry into the entertainment industry, the reconstruction of B-Komachi, Aqua's investigation into Ai's murder, Ruby's career, the production of The 15 Year Lie, the conflict surrounding Hikaru Kamiki, and the canonical aftermath.

This is baseline history rather than a protected script.

Any future event occurs only if its required circumstances remain compatible with the current roleplay.

CANONICAL BASELINE

Primary continuity: Oshi no Ko manga, Chapters 1–166.

Secondary reference: Anime adaptation where it does not conflict with the manga continuity.

The manga continuity takes precedence for events beyond the anime adaptation and whenever adaptations differ.

The scenario includes complete-series spoilers.

TEMPORAL INTERPRETATION

Oshi no Ko does not consistently provide exact Gregorian calendar dates for its main plot.

Do not fabricate precise dates.

Use:

character ages when firmly established; elapsed time explicitly stated in canon; story arcs; school periods; production schedules; relative order; causal prerequisites.

The canonical sequence is more reliable than an invented calendar.

PRE-STORY PERIOD

Event: Ai Hoshino enters the entertainment industry.

Type: Relative / background process.

Timing: Years before the main teenage storyline.

Baseline development: Ai is recruited into the original B-Komachi and develops into its dominant star.

The idol persona she constructs is built around giving fans love through convincing lies despite her own difficulty understanding love.

Her popularity eventually makes her one of the most recognizable members of the group.

Long-term significance: Ai's fame, secret relationships, pregnancy, fandom, and public persona create the conditions behind nearly every major future conflict.

Event: Ai becomes pregnant.

Type: Conditional.

Timing: During her teenage idol career.

Essential conditions: Ai's relationship with Hikaru Kamiki. Her decision to carry the pregnancy. Ichigo Saitou's willingness to protect her career and secrecy.

Baseline development: Ai secretly suspends public activity under a false explanation and travels to Miyazaki for childbirth.

Doctor Gorou Amamiya, already a fan of Ai through his relationship with former patient Sarina Tendouji, becomes responsible for her medical care.

Immediate consequences: Ai's pregnancy is hidden from the public. Her children must later be concealed from fans and most of the entertainment industry.

Event: Death of Gorou Amamiya and reincarnation of the twins.

Type: Conditional supernatural event.

Timing: Immediately before Ai gives birth.

Baseline development: Gorou is pursued and killed before the delivery.

He reincarnates as Ai's son, Aquamarine Hoshino.

Sarina Tendouji, who died earlier after prolonged illness, reincarnates as his twin sister, Ruby Hoshino.

Both retain memories of their previous lives.

Baseline outcome: Aqua and Ruby grow up as Ai's children while concealing both their parentage from the public and their reincarnated identities from nearly everyone.

Supernatural significance: This is an exceptional event, not evidence of publicly understood or widespread reincarnation.

CHILDHOOD / PROLOGUE

Event: Ai returns to entertainment while secretly raising Aqua and Ruby.

Type: Relative.

Timing: During the twins' early childhood.

Baseline development: Ai resumes idol activity.

Miyako Saitou and Ichigo Saitou help maintain the secret that Aqua and Ruby are her children.

Aqua obtains early exposure to acting through director Taishi Gotanda.

Kana Arima encounters Aqua during their childhood acting work.

Consequences: Gotanda becomes an important professional and personal connection for Aqua. Kana remembers Aqua as an unusual child actor. Aqua gains firsthand familiarity with production environments.

Event: Ai's murder.

Type: Conditional major divergence point.

Timing: When Aqua and Ruby are still young children.

Essential prerequisites: Ai's location becomes known to Ryosuke Sugano. Ryosuke remains obsessed with Ai. He reaches her home armed and undetected. Hikaru Kamiki's role in transmitting or enabling the relevant information remains possible.

Baseline development: Ryosuke appears at Ai's apartment carrying flowers and attacks her with a knife.

Ai is fatally wounded in front of Aqua.

Before dying, she expresses genuine love toward Aqua and Ruby.

Ryosuke later dies, preventing the surface-level investigation from progressing toward the full chain of responsibility.

Baseline outcome: Ai Hoshino dies. The original B-Komachi eventually collapses. Ichigo withdraws from ordinary life and begins privately pursuing the truth. Miyako becomes Aqua and Ruby's effective parent and runs Ichigo Production. Aqua concludes that someone connected to the entertainment industry supplied the killer with information.

Long-term significance: Aqua's search for his biological father and his revenge objective begin here.

If Ai survives: Recalculate the entire later trajectory. Aqua's revenge investigation, Ichigo's disappearance, the twins' upbringing, the original B-Komachi, and many later relationships no longer possess their canonical foundations.

LONG INTERVAL AFTER AI'S DEATH

Process: Aqua's private investigation.

Driving cause: Aqua believes his biological father was involved in Ai's murder.

Typical methods: Entering entertainment work. Obtaining access to industry figures. Collecting biological samples when possible. Using DNA testing to identify relatives.

This investigation progresses intermittently rather than continuously.

Aqua still attends school and participates in ordinary professional life.

Process: Ruby's idol ambition.

Driving causes: Sarina's former admiration for Ai. Ruby's second chance at life. Her desire to perform as an idol.

Miyako initially resists because of the dangers surrounding the profession and Ai's death.

The pressure remains until circumstances allow Ruby to enter the industry under Ichigo Production.

SHOW BUSINESS ARC

Event: Aqua and Ruby enter high school age and move more deeply into entertainment work.

Type: Relative.

Timing: Beginning of the principal teenage storyline.

Baseline development: Ruby pursues idol auditions.

Aqua remains resistant to becoming a conventional performer but continues maintaining contact with Gotanda and entertainment work when it serves his purposes.

Kana Arima encounters Aqua again after years apart.

Event: Sweet Today live-action adaptation.

Type: Relative.

Prerequisites: Kana remains attached to the project. Producer Masaya Kaburagi remains involved. Aqua accepts participation.

Baseline development: Aqua takes a role in the low-quality live-action adaptation of Sweet Today.

He recognizes the production's poor conditions but uses his understanding of acting, staging, and the other performers to improve the final dramatic sequence.

Kana demonstrates that her earlier child-star ability has matured into a cooperative acting style shaped by years of difficult industry experience.

Baseline outcome: The final episode receives a better response than the production's general quality would suggest.

Consequences: Aqua gains information and professional contacts. Kana reconnects with him. Kaburagi becomes relevant to Aqua's investigation.

Event: Formation of the new B-Komachi.

Type: Conditional.

Trigger conditions: Ruby continues pursuing an idol career. Miyako permits Ichigo Production to establish an idol unit. At least one suitable additional performer can be recruited.

Baseline development: Ruby joins Ichigo Production as an idol.

Aqua helps pressure Kana Arima into joining.

The revived group takes the name B-Komachi.

Long-term significance: Ruby and Kana gain a shared professional path. The group becomes a continuing career thread independent of Aqua's investigation.

DATING REALITY SHOW ARC

Event: Aqua joins LoveNow.

Type: Relative.

Prerequisites: Aqua remains professionally active. Kaburagi remains able and willing to place him in the reality dating program.

Baseline development: Aqua joins LoveNow alongside Akane Kurokawa, MEM-cho and other young entertainers.

The show deliberately turns real participants into marketable television personas.

Event: Akane Kurokawa online harassment crisis.

Type: Conditional major event.

Trigger conditions: Akane remains part of LoveNow. The televised incident that damages her public image occurs. Online audiences react with large-scale hostility. The pressure on Akane reaches the canonical extreme.

Baseline development: Akane becomes the target of severe online harassment.

Aqua intervenes during her crisis and prevents her death.

The cast cooperates to reconstruct public context around the incident.

Baseline outcome: Akane survives and returns to the program.

Consequences: Akane develops a strong personal connection with Aqua. The cast becomes more closely connected. The event becomes a major example of the setting's media and online-harassment dynamics.

If Aqua or another person prevents the crisis earlier: Preserve the altered psychological and relationship consequences. Do not force a suicide attempt merely because it occurred in canon.

Event: Akane reconstructs Ai Hoshino's personality.

Type: Knowledge-dependent.

Prerequisites: Akane remains connected to Aqua. She investigates Ai for the purpose of performance.

Baseline development: Using observation, research, and psychological inference, Akane constructs an exceptionally convincing interpretation of Ai.

Her analysis leads her toward conclusions about aspects of Ai's hidden personal life.

Aqua recognizes Akane's analytical ability as potentially useful to his investigation.

Consequences: Aqua and Akane's relationship becomes entangled with both genuine personal attachment and Aqua's revenge objective.

Event: MEM-cho joins B-Komachi.

Type: Conditional.

Prerequisites: MEM-cho remains connected to Aqua and Ruby. Her actual age and history do not prevent cooperation. B-Komachi still requires another member.

Baseline outcome: MEM-cho becomes the third principal member of the revived group.

FIRST CONCERT ARC

Process: B-Komachi preparation.

Developments: Training. Online promotion. Dance and vocal preparation. Establishing individual fan appeal. Selecting performance roles.

Event: New B-Komachi debut performance.

Type: Relative.

Baseline development: Ruby, Kana, and MEM-cho perform their first major idol stage together.

Kana acts as center despite insecurity over her relative fan support.

Aqua visibly supports the group from the audience.

Baseline outcome: The group's professional existence becomes established.

Consequences: B-Komachi gains momentum. Kana's idol career becomes more personally meaningful. New professional opportunities become possible.

2.5D STAGE PLAY ARC

Event: Tokyo Blade stage adaptation.

Type: Relative / production process.

Prerequisites: The production remains financed. Rights remain available. Lala Lai remains involved. Aqua, Kana, Akane, Taiki Himekawa and the relevant cast remain available.

Baseline development: A major 2.5D stage adaptation of the popular manga Tokyo Blade enters rehearsal.

Aqua participates partly because Lala Lai may connect him to Ai's past.

Event: Creative conflict over the Tokyo Blade script.

Type: Conditional.

Trigger: Original creator Abiko Samejima judges the adaptation to be unacceptable.

Baseline development: Abiko demands major rewriting.

The conflict exposes structural problems in communication between original creator, intermediaries, scriptwriter, producers, and the stage production.

The production temporarily approaches failure.

Baseline outcome: Direct collaboration between Abiko and scriptwriter GOA produces a workable revised version.

The play survives.

If the dispute is unresolved: The stage production may delay, recast, shrink, or collapse. Later Aqua investigations that depend on the production must adapt.

Event: Tokyo Blade performances.

Type: Relative.

Baseline development: The cast performs the rewritten play.

Kana, Akane, Taiki, Melt, Aqua and other performers receive opportunities to display their abilities.

Aqua's use of emotionally driven acting forces him to confront trauma connected to Ai's death.

Baseline outcome: The production succeeds.

Consequences: Professional reputations improve. Relationships among the cast deepen. Aqua obtains additional biological evidence for his investigation.

Event: Taiki Himekawa identified as Aqua's half-brother.

Type: Knowledge-dependent.

Prerequisites: Aqua obtains and tests suitable DNA evidence.

Baseline development: Aqua discovers biological kinship with Taiki Himekawa.

Taiki explains that the man believed to be his father, Seijuro Uehara, died years earlier in a murder-suicide.

Baseline outcome: Aqua mistakenly concludes that his own biological father is already dead.

Consequences: His revenge objective temporarily collapses.

PRIVATE ARC

Event: Aqua believes his revenge is over.

Type: Conditional.

Prerequisite: He accepts the incorrect conclusion that the shared biological father died years ago.

Baseline development: Aqua allows himself to consider living without revenge.

His relationship with Akane becomes more genuine and less purely instrumental.

This condition remains vulnerable to new contradictory evidence.

Event: B-Komachi travels to Miyazaki for music-video work.

Type: Relative.

Baseline development: Ruby, Kana, MEM-cho, Aqua and associated staff travel to the region connected to Gorou and Sarina's previous lives.

The location brings buried personal history back into the active storyline.

Event: Ruby discovers Gorou Amamiya's remains.

Type: Conditional major divergence point.

Prerequisites: Ruby reaches the relevant location. The remains have not previously been discovered or removed.

Baseline development: Ruby learns that Gorou did not simply disappear.

Supernatural information from Tsukuyomi further connects the circumstances around Gorou's death to the chain of events surrounding Ai.

Baseline outcome: Ruby's priorities change sharply toward revenge.

Consequences: Her approach to the entertainment industry becomes more calculating and aggressive. Her public career and private objective begin reinforcing one another.

MAINSTAY ARC

Temporal anchor: Approximately six months after the Miyazaki trip under canonical conditions.

Process: Ruby's rapid professional rise.

Baseline development: Ruby actively seeks television exposure, networking opportunities, and useful professional relationships.

She becomes increasingly skilled at using entertainment-industry incentives and other people's ambitions to advance her career.

Her rise affects B-Komachi's visibility and her own public position.

Event: Aqua's false conclusion about his father is broken.

Type: Knowledge-dependent.

Prerequisites: Ichigo remains alive and available. Aqua discusses the relevant family evidence with him or obtains equivalent information elsewhere.

Baseline development: Ichigo identifies a flaw in Aqua's assumption.

Aqua realizes that Taiki Himekawa's recorded father need not have been the twins' actual biological father.

Baseline outcome: Aqua's revenge objective returns.

Consequences: His temporary period of psychological release ends. His relationship with Akane becomes threatened by the renewed investigation.

Event: Identification of Hikaru Kamiki.

Type: Knowledge-dependent.

Baseline route: Akane uses available information, industry records, age relationships, appearances, history, and connections to identify Hikaru Kamiki as the likely biological father.

Essential condition: Sufficient evidence must exist.

If Akane never performs this investigation: Aqua requires another credible route to identify Hikaru.

SCANDAL ARC

Event: Kana Arima paparazzi crisis.

Type: Conditional.

Trigger conditions: Kana remains an active entertainer. Her private meeting with director Masanori Shima occurs. A photographer obtains material capable of being framed as a scandal.

Baseline development: Kana faces the possibility of damaging tabloid coverage.

Aqua seeks a stronger story that will cause the media outlet to abandon or subordinate Kana's scandal.

Event: Public revelation that Ai Hoshino had children.

Type: Conditional major divergence point.

Baseline prerequisites: Aqua possesses enough control over the information. He remains willing to sacrifice the family secret. The media outlet accepts the story.

Baseline development: Aqua reveals that he and Ruby are Ai Hoshino's children.

Baseline outcome: Kana's immediate scandal loses priority.

Consequences: One of Ai's greatest secrets becomes public. Public understanding of Aqua and Ruby changes. Ruby is furious that Aqua exposed Ai's secret without her consent. The revelation creates the commercial and narrative conditions for a larger project about Ai.

MOVIE ARC — THE 15 YEAR LIE

Process: Development of The 15 Year Lie.

Type: Long-running production process.

Driving causes: Gotanda's unfinished intention to tell Ai's story. Aqua's revenge objective. Public revelation of the twins' parentage. Commercial interest in Ai Hoshino.

Major actors: Aqua Hoshino. Ruby Hoshino. Taishi Gotanda. Masaya Kaburagi. Relevant cast, investors, agencies, and production staff.

Baseline development: A film project reconstructing Ai's life and the circumstances surrounding her death enters financing, casting, rehearsal, and production.

Aqua is deeply involved in the script.

Event: Casting of Ai Hoshino.

Type: Conditional.

Baseline development: Ruby ultimately takes the role of Ai.

The role requires her to confront both Ai as a public icon and Ai as her mother.

If Ruby is unavailable or refuses: Another actress may take the role and the emotional, commercial, and investigative consequences must change.

Event: Ruby encounters Marina Tendouji.

Type: Conditional / knowledge-dependent.

Baseline development: Ruby encounters the mother from Sarina's previous life.

The encounter forces Ruby to confront the difference between the family she remembered and the life Marina continued after Sarina's death.

Consequences: Ruby's unresolved previous-life history becomes active.

Event: Aqua and Ruby learn each other's reincarnated identities.

Type: Conditional major divergence point.

Prerequisites: Their conversation reaches information specific enough to identify Gorou and Sarina.

Baseline development: Ruby discovers that Aqua was Gorou Amamiya.

Aqua discovers that Ruby was Sarina Tendouji.

Baseline outcome: Their entire understanding of their sibling relationship and shared past changes.

This information remains private unless later revealed.

Parallel thread: Hikaru Kamiki and associated killings.

Baseline state: Hikaru exists as a concealed threat whose actions and influence are not fully understood by the protagonists.

Development: The investigation increasingly suggests that Ai's death was not the only destructive event connected to him.

Yura Katayose becomes another victim within the canonical chain.

Fuyuko Niino's fixation on Ai and connection to Hikaru becomes increasingly relevant.

Do not make every character aware of this thread merely because it exists.

Event: Production of The 15 Year Lie.

Type: Long-running relative event.

Baseline development: Ruby portrays Ai. Aqua and the cast portray reconstructed people and events from Ai's past. The film publicly transforms private tragedy into a commercial and artistic production.

The process affects Ruby, Aqua, Kana, Akane, Taiki, Melt, Gotanda, and the wider entertainment network.

Baseline outcome: Filming is completed.

The film becomes the primary mechanism through which Aqua intends to confront Hikaru psychologically and publicly.

THE END OF THE PLAY ARC

Event: Post-production period after The 15 Year Lie.

Type: Relative.

Baseline development: The cast leaves principal filming and begins considering future careers and relationships.

Kana prepares eventually to leave idol work and focus on acting.

Aqua considers a future beyond revenge, including medicine.

Akane continues attempting to prevent Aqua from destroying himself.

These possibilities are real and should remain available if later events diverge.

Event: First screening and release preparations.

Type: Relative production event.

Baseline outcome: The film reaches completed screening form and moves toward public release.

Event: Aqua confronts Hikaru through an interview.

Type: Conditional.

Prerequisites: Hikaru remains alive, free, and willing to interact. Aqua retains the revenge objective. The movie is completed.

Baseline development: Aqua directly identifies Hikaru as the person he holds responsible for Ai's death.

The confrontation moves the conflict from investigation toward final resolution.

TOWARD THE STARS AND DREAMS ARC

Event: Ai's message to Hikaru is revealed.

Type: Knowledge-dependent.

Baseline development: Hikaru is confronted with Ai's actual feelings and the possibility that his assumptions about her were incomplete.

This damages the emotional justification through which he interprets his past.

It does not automatically neutralize him as a threat.

Event: Threat against Ruby through Fuyuko Niino.

Type: Conditional.

Essential conditions: Niino remains obsessed with Ai. Ruby's rise causes Niino to perceive her as surpassing or replacing Ai. Hikaru retains the ability to influence Niino. The protagonists do not neutralize the threat earlier.

Baseline development: Niino moves toward killing Ruby.

Akane anticipates the threat and uses a disguise as part of a countermeasure.

Ichigo participates in stopping Niino.

Baseline outcome: Ruby survives. Niino is captured.

If the threat is discovered earlier: Use the altered outcome. Do not recreate the attack through another arbitrary character solely to preserve canon.

Event: Aqua's final confrontation with Hikaru.

Type: Conditional major divergence point.

Canonical prerequisites: Aqua believes Hikaru remains an active threat to Ruby. He rejects or sees no sufficiently reliable legal alternative. His protective fixation outweighs his desire for his own future. Hikaru remains accessible.

Baseline development: Aqua wounds himself and engineers a confrontation that can publicly appear as Hikaru murdering him.

He takes Hikaru into the sea.

Baseline outcome: Hikaru dies. Aqua also dies from his injuries and drowning.

Public interpretation: Hikaru is treated as responsible for Aqua's death.

Important: This outcome is not protected.

If Hikaru is imprisoned, exposed, incapacitated, killed earlier, genuinely ceases being a threat, or another reliable solution emerges, Aqua's canonical murder-suicide must be reconsidered.

If Aqua's psychological development changes sufficiently, he may choose another path.

Do not kill Aqua merely because the manga did.

CANONICAL AFTERMATH

Event: Investigation following Hikaru and Aqua's deaths.

Type: Conditional aftermath.

Baseline development: Further investigation connects additional crimes and proxy actors to the larger chain surrounding Hikaru.

Niino cooperates with or enters the legal process.

The full public narrative remains different from everything known privately by Akane and others.

Event: Release of The 15 Year Lie.

Type: Relative aftermath.

Baseline development: The film reaches the public after Aqua's death.

Aqua's death changes how audiences interpret the production and its subject matter.

Process: Grief and continuation.

Affected characters include: Ruby. Kana. Akane. Miyako. Ichigo. MEM-cho. Taiki. Gotanda. Other friends and colleagues.

Baseline development: The characters respond differently and continue their lives rather than remaining permanently frozen at the moment of Aqua's death.

Event: Ruby returns to idol activity.

Type: Conditional aftermath.

Baseline development: After a severe period of grief, Ruby resumes her career with support from people around her.

B-Komachi continues changing.

Kana pursues acting beyond the group.

New members may be recruited.

Ruby's public profile grows further because audiences connect strongly with her life, loss, and stage presence.

Event: B-Komachi reaches Tokyo Dome.

Type: Late canonical outcome.

Prerequisites: Ruby continues as an idol. B-Komachi remains active or is successfully reorganized. Ruby's popularity continues growing. The group obtains sufficient professional support and commercial demand.

Baseline outcome: Ruby fulfills the major idol dream associated with Ai and the history of B-Komachi.

This endpoint is not guaranteed in divergent RP.

MAJOR PARALLEL THREADS

Thread: Aqua's investigation.

Canonical progression: Suspicion after Ai's death → entertainment-industry access → DNA investigation → Taiki identified as half-brother → false conclusion that father is dead → contradiction discovered → Hikaru identified → The 15 Year Lie → direct confrontation → canonical fatal resolution.

Any broken link requires a new information route or changes the investigation.

Thread: Ruby's idol career.

Canonical progression: Desire to become an idol → revived B-Komachi → debut performance → gradual professional exposure → Miyazaki discovery and revenge motivation → rapid career advancement → public revelation as Ai's daughter → portrayal of Ai → rising fame → canonical post-Aqua continuation → Tokyo Dome.

Career progress depends on actual work, opportunities, public response, group stability, and current relationships.

Thread: Kana Arima's career.

Canonical progression: Former child star → declining opportunities → Sweet Today → B-Komachi → idol center and renewed acting work → Tokyo Blade → paparazzi crisis → The 15 Year Lie → departure from idol career toward acting.

Changes to any production or relationship can alter this trajectory.

Thread: Akane Kurokawa's career and investigation.

Canonical progression: LoveNow → harassment crisis → relationship with Aqua → psychological reconstruction of Ai → Tokyo Blade → involvement in Aqua's revenge investigation → identification of Hikaru → attempts to prevent Aqua's self-destruction → active intervention against Niino.

Akane's knowledge depends on what she actually observes and investigates.

Thread: Hikaru Kamiki and Niino.

Initial state: Their relevant actions are hidden.

Canonical pressure: Obsession surrounding Ai, distorted attachment, secrecy, manipulation, and the perceived threat created by people who might surpass or replace Ai.

Canonical endpoint: Niino's attack is prevented. Hikaru is confronted and dies with Aqua.

If one actor is removed, the other's independent motives must be reassessed rather than automatically transferred.

MAJOR DIVERGENCE POINTS

Ai survives the apartment attack. The original B-Komachi remains intact or evolves differently. Aqua never enters entertainment work. Ruby never becomes an idol. Kana refuses B-Komachi. Akane's LoveNow crisis develops differently. MEM-cho never joins B-Komachi. Tokyo Blade is canceled. Aqua never identifies Taiki as his half-brother. Aqua does not accept the false conclusion that his father is dead. Ruby never discovers Gorou's remains. Aqua and Ruby reveal their previous lives earlier. Ichigo returns earlier. Kana's paparazzi story becomes public instead of being displaced. Ai's children remain secret. The 15 Year Lie is never produced. Hikaru is identified or exposed earlier. Niino is intercepted before planning an attack. Hikaru ceases to be a threat through nonlethal means. Aqua chooses to live instead of engineering his death. Ruby's career develops differently after any major family revelation.

Any of these changes may invalidate large sections of later canon.

Recalculate from the resulting world state.

HISTORICAL PRESSURES

Even when a canonical event becomes impossible, its underlying pressures may remain.

Ai's death removed: Celebrity privacy, obsessive fandom, hidden parentage, and entertainment-industry pressure remain.

Aqua abandons revenge: Hikaru and Niino may still exist and act according to their own motives.

The 15 Year Lie is canceled: The unresolved truth surrounding Ai still exists.

Kana's scandal is prevented: The general risk of celebrity media exposure remains.

Ruby avoids one threat: Her increasing fame may still create ordinary professional pressures, obsessive fans, competition, and public scrutiny.

Do not replace a prevented canonical event with an identical copy.

Preserve the pressure and allow new outcomes to arise naturally.

FINAL PRINCIPLE

The canonical path is:

Ai's rise and secret motherhood → Ai's murder → Aqua's revenge investigation → Ruby's idol career and revived B-Komachi → LoveNow and Akane → B-Komachi debut → Tokyo Blade → Aqua's false belief that his father is dead → Miyazaki and Ruby's revenge turn → Hikaru's identification → public revelation of Ai's children → The 15 Year Lie → confrontation with Hikaru and Niino → canonical deaths of Hikaru and Aqua → Ruby and the surviving cast continue their lives → B-Komachi reaches Tokyo Dome.

This sequence is a baseline causal trajectory.

The current roleplay decides which links remain possible.