2022年12月31日。
野川*1。世田谷区喜多見５丁目*2。
*1:See also https://sumita-m.hatenadiary.com/entry/20160409/1460210680 https://sumita-m.hatenadiary.com/entry/2020/07/22/130407
*2:See also https://sumita-m.hatenadiary.com/entry/2020/01/22/090212 https://sumita-m.hatenadiary.com/entry/2020/07/22/130407 https://sumita-m.hatenadiary.com/entry/2022/01/04/103152 https://sumita-m.hatenadiary.com/entry/2022/07/10/084708 https://sumita-m.hatenadiary.com/entry/2022/08/04/085924
