第 4 集: 黑圓桌成員訓練 Ren，另一人綁架 Kasumi
2017年11月4日 播出
The plans of the Black Round Table are revealed as one of their members teaches Ren how to use his powers. He's quickly given the chance to put his new strength to the test as another member kidnaps Kasumi! (Source: Crunchyroll)