5月の強化練習日発表! https://energy.jp/blog/2021/04/15/%ef%bc%95%e6%9c%88%e3%81%ae%e5%bc%b7%e5%8c%96%e7%b7%b4%e7%bf%92%e6%97%a5%e7%99%ba%e8%a1%a8%ef%bc%81/