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Gundam

Cecily Fairchild

Heroine of Gundam F91, true identity Berah Ronah of the Ronah Family.
Jenxi Seow Published 4 Nov 2025 Updated 4 Nov 2025
Cecily Fairchild

Cecily Fairchild (セシリー・フェアチャイルド, Seshirī Feacharudo), born Berah Ronah (ベラ・ロナ, Bera Rona), was the daughter of Carozzo “Iron Mask” Ronah and a scion of the Ronah Family that established the Cosmo Babylonia state. Her bond with Seabook Arno during the Crossbone Vanguard’s seizure of Frontier Side placed her at the heart of UC 0123’s upheaval.

Biography

Cecily’s story spans the Crossbone Vanguard uprising in Mobile Suit Gundam F91 and the later resistance movements chronicled in Mobile Suit Crossbone Gundam.

Heir to Cosmo Babylonia

Raised within the Ronah estate, Cecily received an aristocratic education intended to prepare her as a symbol of Cosmo Babylonia. Her grandfather Meitzer promoted the ideology of noble stewardship, whilst her father Carozzo descended into militant absolutism. Cecily frequently slipped into Frontier Side’s civilian districts under the alias “Cecily Fairchild”, gauging the colonies’ reaction to the Ronah programme and seeing first-hand the hardship the Vanguard’s supporters dismissed.

Flight from Frontier Side

When the Crossbone Vanguard initiated its coup in March UC 0123, Cecily was separated from her escort and fled through the shattered colony alongside students from the Frontier I technical school. Among them was Seabook Arno. Their shared escape through debris-littered habitats forged a bond grounded in mutual survival rather than politics. Once Vanguard operatives recovered Cecily, she returned to the flagship but continued to warn Space Ark refugees about upcoming assaults, quietly undermining her father’s coercive tactics.

Defiance of Iron Mask

As Iron Mask escalated the conflict—culminating in the deployment of the XMA-01 Rafflesia—Cecily used her access to relay intelligence to Seabook and the Space Ark bridge crew. She attempted to broker a ceasefire between the Ronah family and the civilians resisting Cosmo Babylonia, only to watch Carozzo embrace indiscriminate massacres. During the final battle she helped Seabook penetrate the Rafflesia’s defensive field, witnessing the duel that ended her father’s life and toppled the Ronah offensive.

Life after Frontier Side

In the aftermath Cecily remained aboard the Space Ark, adopting the name “Cecily Arno” while working with the refugees displaced by the conflict. By UC 0133 she followed Seabook into the Jupiter sphere, assisting the reformed Crossbone Vanguard as it opposed the Jupiter Empire. Her familiarity with aristocratic courts and Frontier Side infrastructure proved invaluable when the Vanguard negotiated with former Cosmo Babylonia loyalists and Jovian colonists.

Physical appearance

Cecily was a slender young woman with long dark brown hair usually tied back beneath a pilot visor, and blue eyes inherited from the Ronah line. During the exodus from Frontier Side she wore refugee jumpsuits and thermal cloaks, later reverting to tailored Vanguard uniforms trimmed with the Ronah crest when acting as envoy. In informal settings aboard the Space Ark she favoured practical colony attire, signalling a break from the extravagant gowns of her upbringing.

Personality & traits

Cecily combined aristocratic composure with an empathetic outlook shaped by her time among Frontier Side’s civilians. Her Newtype sensitivity let her sense the emotional turmoil around Seabook and the refugees, guiding her decisions when the Vanguard threatened non-combatants. She prioritised dialogue whenever possible, yet she did not hesitate to confront her father when his actions endangered innocents. Crewmates described her as soft-spoken in council but unyielding when the Vanguard strayed from its stated ideals.

Skills & abilities

Cecily’s Newtype aptitude manifested as heightened intuition and emotional perception. She often anticipated shifts in Seabook’s mental state during combat, providing timely reassurance over the Space Ark’s communications network. Formal pilot training focused on shuttle operations and basic mobile-suit manoeuvres, equipping her to accompany evacuation flights or courier runs. Within diplomatic circles she leveraged her noble education to navigate Cosmo Babylonia’s protocols and de-escalate confrontations between Vanguard officers and surrendered Ronah loyalists.

Relationships

Seabook Arno

Cecily’s partnership with Seabook began as a shared struggle for survival and evolved into a lasting bond. She grounded the F91 pilot when the strain of Newtype combat threatened his composure, and Seabook, in turn, supported her decision to resist the Ronah family’s dogma. Their mutual trust became a cornerstone of the Vanguard’s efforts to provide stability after the war.

Ronah family

Cecily maintained respect for her grandfather Meitzer while rejecting the coercive state he engineered. Her relationship with Carozzo deteriorated irreparably as he prioritised Cosmo Babylonia’s supremacy over human life. By aiding Seabook in stopping the Rafflesia, she signalled to Ronah loyalists that reform—or surrender—was preferable to fanaticism.

Crossbone Vanguard

Among the Crossbone survivors Cecily served as a liaison between former Ronah retainers and the civilian crews of the Space Ark. Her advocacy for amnesty programmes persuaded several Vanguard captains to integrate surrendered officers rather than pursue reprisals, helping the organisation transition from coup force to protective fleet.

Legacy

Frontier Side chronicles portray Cecily as the Ronah heiress who rejected Cosmo Babylonia’s extremism and safeguarded the civilians her family once endangered. In the Jupiter sphere she furthered the Crossbone Vanguard’s reputation as guardians of colony rights, demonstrating that reconciliation between aristocratic and civilian factions was possible when guided by empathy and accountability.

Behind the scenes

Cecily Fairchild/Berah Ronah was created by director Tomino Yoshiyuki for Mobile Suit Gundam F91. Character designer Yasuhiko Yoshikazu contrasted her elegant appearance with Seabook’s utilitarian look to emphasise the social gulf between them. Tomino used Cecily to explore conflicts of inherited ideology versus personal conscience, a theme he continued through her appearances in the Crossbone manga sequels.

Appearances

See also

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