Quote Originally Posted by Death BOO Z
I think it's possible that she was a shinigami, or at least had enoug spirit energy to satisfy grand fisher's appetite.
maybe Isshin had to quit becuase he married a lower-class woman?
Quite nice Theory. He found an lower class women. Maybe way down the scale, want to be, like..forever with her and with a little help of Urahaha, they all escape from Soul Society?