11화: 리오가 무히오를 공격하고, 비코가 위험한 회복 방법을 모색하며 자비를 호소한다.
2018년 10월 12일 방영
Rio continues her relentless attack on Muhyo and the others, refusing to even listen to the fervent pleas of her own pupil, Bico. Those who have sold their souls to a messenger of Hell using forbidden magical law can never be human again... but Muhyo says there may be something they can do for Rio. However, he needs to recover from his mental numbness in order to do it. Backed into a corner, the team gambles everything on a secret formula concocted by Bico to help him temporarily recover... (Source: Crunchyroll)