she is in justice side, she just doesn't like corruption run amok at the capital but no one can bring justice to them. this Jack the Ripper is like Jesus to her.
she kinda get close with Cid (in disguise) at previous arc, but she doesn't realize it.
no that's his older sister.
the one in the cover is another actress he will managing (it's been hinted before that he will handle more actress since they are lacking of staff)