(いちおうこれまでの経緯をリンクしときます) 1st http://yassenbo-oyaji.hatenablog.com/entry/2021/01/13/120319 2nd http://yassenbo-oyaji.hatenablog.com/entry/2021/01/14/120811 3rd http://yassenbo-oyaji.hatenablog.com/entry/2021/01/15/121802 …