サイン第1号
https://mobile.twitter.com/_harappa_/status/752857429642055681

エゾリスの家宝
https://cdn-ak.f.st-hatena.com/images/fotolife/e/ezoris/20180920/20180920182851.jpg

私物にはっきりと名前を書いておく
http://web.archive.org/web/20180618100459im_/https://karaage.biz/wp-content/uploads/2018/06/15286236659112.jpg
https://twitter.com/5chan_nel (5ch newer account)