https://www3.nhk.or.jp/nhkworld/en/news/ataglance/1981/
Thanks for your support!
The e-book (vol 1 of 2) was published on Kindle to the world on 11 March. This crowdfunding is still on as the expenses are not yet fully covered.
Asahi, Kyodo, NHK and local TVs came to Sato-san on 11 March who moved a small rock, which had been used as a cenotaph, to her graveyard.
https://www.asahi.com/ajw/articles/14569863