I went off and did a little independent JSTOR diving about the forced education of Ainu students in Tokyo, which honestly was not terribly fruitful, but does make me feel a little more conversant with the issue.
I'm surprised and pleased to find there's anything about it in English! I didn't know about it at all. I'm looking for more Ainu women to add to the list now, having only had Chiri Yukie before...