第 12 集: Echo 在毀滅全球的背景下，使用 AC30 吉他直面無耳之王。
2020年6月20日 播出
The Earless seem unstoppable, bent on destroying the world that has treated them so cruelly. Echo, with his newfound power as a Player, challenges the King of the Earless with his trusty AC30. (Source: FUNimation)