well where are they from? an alternate dimention
do they have parents? yeah, but they haven't seen them in a while
how did they get there powers? they just got them
where do they work? milla-teacher, sasha- engineer
do they have secret identies? yes, Sasha, Milla no one can tell tell that X Sasha is Sasha.
ideas for background
Do they like each other
how did they meet
"The kraken stirs.
Ten thousand sushi dinner cry for vengeance."