http://book.asahi.com/reviews/reviewer/2017070900005.html

https://www.dailyshincho.jp/article/2017/07110559/

http://mainichi.jp/articles/20170711/k00/00e/040/177000c

http://www3.nhk.or.jp/shutoken-news/20170713/5134901.html

https://www.buzzfeed.com/jp/kazukiwatanabe/20170713?utm_term=.otmw7oZR69#.utLRX3OwjQ