The Chichibu Keizai Shimbun and Yahoo! News featured an article about the Hole One Man held in Chichibu on the 28th of the end of this month!
Please take a look.
https://chichibu.keizai.biz/headline/153/
https://news.yahoo.co.jp/articles/ffaff1ad38962ad9a14dc28a2859a7c12e3e315b