第 11 集: Rio攻擊Muhyo，Bico則苦苦哀求饒命，同時他正尋求一種高風險的恢復方法。
2018年10月12日 播出
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)