Have you thought of doing Mato instead? Sure you could do a modified version, or you could just cosplay her alternate reality self!
AE - Luka Megurine (Answer)
C&E - Gray Jedi (Star Wars OC)
VCon - Daenerys Targaryen (GoT)
GottaCon - Jhoira of the Ghitu (M:tG)
TsukinoCon - Makise Kurisu (Stein's Gate)