Neogirlflux

Or am I understanding this wrong?

Boyneogirlflux is a gender identity in which one is both boyfluid and neogirlflux in some way.

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Is there a gender that is a combo of boyfluid and neogirlflux?

So, like I said in my intro post, I'm no longer asking questions about myself. I'm asking questions for my OC's; you'd be surprised at how many characters I write that are cis- and hetero-passing.

Anyway, I need help finding the gender of a character in a story I'm picking up after 3 years. Her gender isn't a big part of the story, but it's important to her as a character and her identity. 

So, like, she has this etherial appeal to her. She dresses very neutrally: a long-sleeve shirt and sweatpants, with big curly hair. She looks pure and innocent; that's the plot of the story. She goes from being innocent and devoid of all sin to committing atrocities by the end of the story. 

She has this etherial vibe, angelic even—white and pure, yet cold and absent. I like to think she doesn't have a gender and just goes with whatever other people think she is. She's very neutral-aligned, with hints of femininity, she's like a girl, just not entirely.