She's the sole female member of the youkai-ningen, a group set apart by their inhuman nature. Unlike the others, she genuinely admires humans and actively wants to become one.
To that end, she attends Cent Joseph High School in Upper town under the assumed name "Annabella," treating her time there as preparation for her eventual transformation. She tries hard to fit in with her classmates and embrace normal school life, though the reality of her difference from them cuts deeper than she'd like to admit. She doesn't harbor prejudice against humans—if anything, she's too aware of how separate she really is.
Personality-wise, she's naturally expressive and talkative, but spending most of her time around Bem and Belo—both noticeably quieter—has made her hold back. It's a subtle shift from who she probably is when she's alone.
Combat-wise, she wields a whip concealed in her right arm with considerable skill. She's also got control over freezing air, which gives her a distinct edge in a fight.
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