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Eiko Nikaido is a character from Persona -trinity soul-.



Persona -trinity soul-[]

A medical examiner from the North Japan Medical Examiner's Office. She works with the Ayanagi City police and discreetly aids Ryo Kanzato in his investigation into the Reverse cases. Though, even she isn't aware of the full extent of his involvement or knowledge of the cases. As he grows increasingly determined to confront Keisuke Komatsubara, she comes into contact with Kunio Ito, offering to help him investigate Ryo.

When Ryo eludes her attempt to track him, she manages to find him in the middle of a confrontation with Komatsubara. She approaches despite his warnings and is ultimately killed in front of him.

A long time family friend of the Kanzato family, she appears frequently in all three brothers' flashbacks. After Jun Kanzato and Shin Kanzato's return, she becomes a frequent visitor, checking in on them and chiding Ryo for not being open enough with them. Shin has long had a crush on her, but her attention is focused entirely on Ryo. In Shin's idealized dream world, Ryo and Eiko were engaged.


  • The name Eiko means "reflect/reflection, project/projection" (映) (ei) and "child" (子) (ko).
  • Eiko's surname Nikaido means "upstairs, two-storied" (二階) (nikai) and "hall" (堂) (do).
    • Nikaido is a name of a clan of Japanese samurai that ruled the Iwase District of Mutsu Province during the Sengoku period during the Kamakura era. The founder was Nikaido Yukimasa and they lived in the Sukagawa Castle.


Characters Shin Kanzato - Ryo Kanzato - Jun Kanzato - Yuki Kanzato - Haruka Kanzato - Shigeru Kanzato - Takuro Sakakiba - Megumi Kayano - Yumi Tasaka - Noboru Inui - Kunio Ito - Eiko Nikaido - Tomohiro Narasaki - Touma Shikura - Yuji Kimoto - Soutarou Senou - Saki Tachibana - Taiichi Udo - Wakasa Kusu - Shiiba Kusu - Kanaru Morimoto - Keisuke Komatsubara - Ayane Komatsubara - Akihiko Sanada - Igor
Locations Ayanagi City
Terms Persona - Persona user - Apathy Syndrome - Kagenuki - Marebito - Persona Suppressors - Reverse cases - Ayanagi Investigation Squad - Sea of Souls
Albums Original Soundtrack
Songs "Breakin' Through" - "Burning Men's Soul" - "Found Me" - "Mellow Dream" - "Reverse the Destiny" - "Somewhere" - "Soul Drive"
Concerts Music Live 2008 - Music Live 2009 - Music Tour 2010 - Music Live 2012
Archive Episodes - The Sound of Christmas - Persona Radio