地獄の総当たり8月土日錬成会日程発表 https://energy.jp/blog/2021/06/08/%e5%9c%b0%e7%8d%84%e3%81%ae%e7%b7%8f%e5%bd%93%e3%81%9f%e3%82%8a%ef%bc%98%e6%9c%88%e5%9c%9f%e6%97%a5%e9%8c%ac%e6%88%90%e4%bc%9a%e6%97%a5%e7%a8%8b%e7%99%ba%e8%a1%a8/