Shouldn't Masaki Kurosaki, Ichigo's mum, be in SS
It's a bit strange if u ask me. Like Ichigo once telling Isshin that if he, Isshin, died, he would simply return to soul society, as ALL souls do... So, why can't Ichigo simply find his mum in Rukongai, in Soul Society? Good ol' family hello
At best she'd be a capable Shinigami or a memory displaced chick...
Smuggled back to her family in a temporary Gigai