Story Structure — 4 Plot Phases
Tragedy and Doubt
Taiga handles a routine child welfare case that ends in tragedy when a girl is returned to her abusive mother. The loss triggers a profound professional crisis, pushing Taiga toward resignation.
Key Events
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189 Hotline Introduction — Establishment of the emergency child protection hotline. Characters: Taiga Sakamoto
Location: Child Welfare Office
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Taiga's Rookie Duties — Taiga begins handling initial child welfare assignments. Characters: Taiga Sakamoto
Location: Welfare Center
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Abused Girl Case — Taiga works with a girl previously abused by her mother. Characters: Taiga Sakamoto
Location: Shelter
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Shelter Placement — The girl is temporarily secured in a protective shelter. Characters: Taiga Sakamoto
Location: Foster Facility
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Return to Mother — Despite abuse history, the girl is sent back to her mother. Characters: Taiga Sakamoto
Location: Family Home
New Case and Crisis
A hospital call interrupts Taiga's resignation plans, introducing a new six-year-old victim with clear abuse wounds. The father's immediate denial creates a legal and emotional standoff.
Key Events
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Return to Mother — Despite abuse history, the girl is sent back to her mother. Characters: Taiga Sakamoto
Location: Family Home
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Tragic Death — The girl loses her life after returning home. Characters: Taiga Sakamoto
Location: Hospital
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Resignation Thoughts — Taiga considers quitting due to professional trauma. Characters: Taiga Sakamoto
Location: Office
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Hospital Phone Call — A doctor contacts Taiga regarding a new abuse case. Characters: Taiga Sakamoto
Location: Office
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Medical Wound Report — Doctor confirms six-year-old's injuries match physical abuse. Characters: Taiga Sakamoto
Location: Hospital
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Father's Denial — The suspected abuser denies any wrongdoing. Characters: Taiga Sakamoto
Location: Interrogation Room
Alliance and Investigation
Attorney Shion Akiba joins the effort, forming a strategic partnership with Taiga. They systematically gather medical evidence and navigate bureaucratic hurdles to challenge the father's claims.
Key Events
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Father's Denial — The suspected abuser denies any wrongdoing. Characters: Taiga Sakamoto
Location: Interrogation Room
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Shion Akiba Introduction — Attorney Shion Akiba enters the investigation. Characters: Taiga Sakamoto, Shion Akiba
Location: Law Office
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Alliance Formation — Taiga and Shion formally agree to collaborate. Characters: Taiga Sakamoto, Shion Akiba
Location: Meeting Room
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Evidence Gathering — Team collects physical and testimonial proof of abuse. Characters: Taiga Sakamoto, Shion Akiba
Location: Various Sites
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Forensic Review — Medical experts analyze wounds to confirm abuse patterns. Characters: Taiga Sakamoto, Shion Akiba
Location: Medical Lab
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Legal Strategy Meeting — Shion outlines legal pathways to override the father's denial. Characters: Taiga Sakamoto, Shion Akiba
Location: Law Firm
Confrontation and Truth
The team confronts the father with irrefutable forensic and documentary proof. The climax resolves with the truth uncovered, securing the child's safety and restoring Taiga's professional purpose.
Key Events
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Legal Strategy Meeting — Shion outlines legal pathways to override the father's denial. Characters: Taiga Sakamoto, Shion Akiba
Location: Law Firm
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Systemic Obstacles — Institutional delays threaten the investigation timeline. Characters: Taiga Sakamoto, Shion Akiba
Location: Government Building
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Father Confrontation — Direct challenge to the father using collected proof. Characters: Taiga Sakamoto, Shion Akiba
Location: Family Residence
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Breakthrough Discovery — Critical documentation surfaces confirming abuse history. Characters: Taiga Sakamoto, Shion Akiba
Location: Archive Room
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Final Legal Push — Team presents consolidated case before authorities. Characters: Taiga Sakamoto, Shion Akiba
Location: Courtroom
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Truth Unveiled — Father's denial collapses under irrefutable evidence. Characters: Taiga Sakamoto, Shion Akiba
Location: Courtroom
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Case Resolution — Abused girl is secured in permanent protective care. Characters: Taiga Sakamoto, Shion Akiba
Location: Welfare Office
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Renewed Commitment — Taiga abandons resignation plans and renews his mission. Characters: Taiga Sakamoto, Shion Akiba
Location: Office
189 is a phone number to call when a child needs to be saved from an abusive situation. Children and adults can call that number, where they will be connected with the nearest child consultation center. Taiga Sakamoto works as a rookie child welfare officer. A girl that he worked with is being sent back to her mother. The girl was abused by her mother and stayed at a shelter. The next day, she loses her life. Taiga thinks about quitting his job. At this time, he receives a phone call from the hospital. A doctor calls him and tells him that a six-year-old girl's wounds looks as if they were caused by physical abuse. The abuser is assumed to be her father, but the girl's father denies any wrongdoing. Taiga and Attorney Shion Akiba try to prove that the girl was abused by her father.