TV-Series
Description
Bela completes the youkai-ningen trio as its only female member. Across all adaptations, she harbors a profound admiration for humanity and an intense longing to become human herself.

Her portrayal in the 1968 series highlights emotional volatility and a short temper, especially when humans threaten her family, fueling a fierce prejudice against them. Within the group, she adopts a distinctly parental and protective role towards Belo.

The 2019 series recontextualizes her quest through her enrollment at Saint Joseph High School in Upper Town under the alias "Annabella." Actively engaging in school life to integrate with human society, this contrasts her earlier prejudice. This version emphasizes her emotional vulnerability; while less biased, she suffers repeated pain from the inherent differences between youkai-ningen and humans. Though naturally expressive, she becomes reserved around Bem and Belo, retaining her core drive to understand humanity and achieve transformation.

Her abilities consistently include monsterification (revealing her true form), superhuman agility, teleportation, illusions, heightened senses, and signature cryokinesis to generate freezing air or ice. The 1968 series uniquely grants her resurrection, absent later. In combat across all versions, she wields a whip concealed within her right arm with notable grace.

A significant backstory shift occurs between adaptations. The 2019 version explicitly lacks the original narrative linking her to an alchemist's wife, an element reassigned to a new character, Vega, who visually resembles the original Bela design.

The live-action spin-off film *Yokai Ningen Bela* presents a distinct interpretation. Here, she manifests as a mysterious figure tied to psychological horror, manipulating events at a high school and triggering tragic incidents. This version explores themes of madness linked to rediscovered anime footage, portraying her influence as indirect and psychologically corrosive, with a thematic rather than direct connection to the main Bem narrative.

Within the 2012 live-action film continuity, she functions as part of the core trio disguising themselves as a human family. Alongside Bem and Belo, she protects humans from monstrous threats, maintaining her role despite ostracization. Her transformation into her monster form occurs during heightened emotional states like anger or sadness.