For years, a persistent narrative has clouded the legacy of the 2003 anime adaptation of ‘Fullmetal Alchemist’. This version, diverging markedly from its source material, has faced considerable criticism from a segment of the fanbase. A prevalent claim suggested that Hiromu Arakawa, the manga’s creator, harbored deep dissatisfaction, even fury, upon witnessing the altered trajectory of her narrative. Contrary to these widespread assertions, the factual account of the adaptation’s genesis reveals a starkly different and collaborative truth.
Delving into official interviews and fan book publications, Arakawa’s own words dismantle the myth of her discontent. The mangaka has consistently clarified her stance, providing context to a creative decision that has long been misunderstood. Far from being a unilateral imposition by the studio, the foundational shift in the anime’s storyline originated from a direct request by Arakawa herself.
The Author’s Proactive Role in Shaping the Adaptation
It was Hiromu Arakawa who explicitly asked the animation team to forge a distinct path for the anime. With the manga’s publication still ongoing at the time of the anime’s production, Arakawa was concerned about the adaptation catching up to her unfinished work. To avoid filler arcs or a premature conclusion, she advocated for the creation of an original narrative. This strategic choice allowed the 2003 series to explore its own themes and resolutions while permitting the manga to continue its development at its intended pace, free from the constraints of synchronization.

This revelation recontextualizes the entire discourse surrounding the two iconic versions of the story. The divergence was not a betrayal of the source material but a deliberate, author-endorsed experiment. Arakawa has expressed that witnessing the anime staff build upon her initial concepts to craft a unique ending was a fascinating and positive experience. She appreciated the opportunity to see her characters and world interpreted through a different creative lens, resulting in a parallel yet equally compelling narrative universe.
Thus, the notion that the author was upset with the final product is categorically unfounded. The existence of two distinct canonical paths for the Elric brothers—one in the pages of the completed manga and another in the frames of the 2003 anime—stands as a testament to a collaborative understanding between creator and adapters, each version possessing its own artistic merit and narrative integrity.