2019年４月16日。
大久保家*1。習志野市大久保３丁目*2。
大久保３丁目。
*1:See eg. https://makoto-jin-rei.hatenablog.jp/entry/2019/06/09/122120 Also https://sumita-m.hatenadiary.com/entry/20130607/1370563792
*2:See also https://sumita-m.hatenadiary.com/entry/2019/04/03/234148 https://sumita-m.hatenadiary.com/entry/2019/09/25/125927 https://sumita-m.hatenadiary.com/entry/2019/12/31/021336 https://sumita-m.hatenadiary.com/entry/2020/01/20/010454 https://sumita-m.hatenadiary.com/entry/2020/01/21/094316
