初投稿素材出典 https://www.pref.akita.lg.jp/pages/archive/33524https://www.irasutoya.com/2016/05/blog-post_738.htmlhttps://www.city.noshiro.lg.jp/section/nourin-suisan/negi/character/16576https://www.nicovideo.jp/watch/sm40594461
http://www.nicovideo.jp/watch/sm43460766
