If the theory that she is Rolo's brother, and Anya is for some reason the real sister works then yeah, Geass all the way.
Mystic Eyes of Death EXPLOSION, y'all.
However that is most likely bull shit, but who knows what will happen when Orange is fucking shit up.
Even though Lelouch is fucked, Orange comes to town 'anti-geass's' everyone, Lelouch doesn't even KNOW, and then some 'spy' is like yo Lelouch are you the prince? and he's like no, then WHAM CAPTURED.
Also Suzaku is fucked, he's relying too much on his geass to not die, he'll then go wait, I'm not going GODMODE, and dies.