Steins;Gate Codexery

Futaba

The late mother of Mitsuha and Yotsuha whose death reshaped her family's destiny.

Futaba is the deceased mother of Mitsuha and Yotsuha Miyamizu, and the wife of Toshiki Miyamizu. She served as a miko at Miyamizu Shrine before her death. Mitsuha greatly resembles her mother Futaba. Following Futaba's death, her husband Toshiki was horrified by the event, abandoned the shrine, and pursued politics, eventually becoming the town's mayor. Because of his temperament, the sisters refused to live with him, instead moving in with their maternal grandmother Hitoha.

Character Status
Non-canon / Fan Creation
Official Affiliation
None in Steins;Gate Canon
First Appearance
N/A (Not in official media)
Role in Story
Does not exist in the original narrative
Creator Origin
Fan community conflation with Persona 5

Lore & Background

Futaba is mentioned only in passing within the film's narrative, primarily through the context of her death's aftermath. She and her husband Toshiki were practitioners of the Shinto religion, and she served as a miko at Miyamizu Shrine alongside her daughters. Mitsuha greatly resembles her mother, a detail noted in the source. After Futaba died, Toshiki was so horrified by the event that he abandoned the shrine and entered politics, eventually becoming the mayor of Itomori. His temperament following her death caused his daughters to refuse to live with him; instead, Mitsuha and Yotsuha moved in with their maternal grandmother Hitoha. No further details about Futaba's life, personality, or the circumstances of her death are provided in the source material.

In Their Own Story

Futaba does not appear as an active character in the film's timeline. Her presence is felt only through the consequences of her death: her husband Toshiki's abandonment of the shrine and his subsequent political career, and her daughters' decision to live with their grandmother rather than with him. Mitsuha's resemblance to her mother is noted, but no specific scenes or dialogue involving Futaba are recorded in the source.

Reader's Guide

Futaba is a background figure whose role is entirely defined by her absence. She was a miko at Miyamizu Shrine, and her death prompted her husband Toshiki to leave the shrine and become mayor. Her daughters Mitsuha and Yotsuha, unable to live with their father due to his temperament, moved in with their grandmother Hitoha. Mitsuha is said to greatly resemble her mother. No other personality traits, relationships, or narrative functions are provided in the source. She does not appear in any scenes, nor does she interact with any characters in the present timeline of the film.

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