2019年11月27日。
ららぽーとTOKYO-BAY*1。船橋市浜町２丁目。
*1:See also https://sumita-m.hatenadiary.com/entry/20140730/1406685196 https://sumita-m.hatenadiary.com/entry/20141210/1418147190 https://sumita-m.hatenadiary.com/entry/20160228/1456655841 https://sumita-m.hatenadiary.com/entry/20160323/1458664199 https://sumita-m.hatenadiary.com/entry/20160805/1470366510 https://sumita-m.hatenadiary.com/entry/20161221/1482294375 https://sumita-m.hatenadiary.com/entry/2019/07/01/111535 https://sumita-m.hatenadiary.com/entry/2020/05/23/100331 https://sumita-m.hatenadiary.com/entry/2020/05/28/141603