丸ノ内線仮面、登場! http://okane.robots.jp/2022/01/25/%e4%b8%b8%e3%83%8e%e5%86%85%e7%b7%9a%e4%bb%ae%e9%9d%a2%e3%80%81%e7%99%bb%e5%a0%b4%ef%bc%81/