Yuri heads to Satan, who has holed himself up in Section 13. Satan accepts Yuri and chooses to live with her. To live together, he decides to abandon Section 13, informing his followers of his withdrawal. As Yuri prepares for their escape, she reunites with Jenny, who is working in Section 13. Upon learning about Satan and Yuri's plan to escape, Jenny plots to free the test subject children at the facility, but... 

Shiemi cheers up after Rin suddenly appears before her. After hearing Shiemi's voice, Rin regains consciousness and heads back to the past to see the events all the way through. In the past, Satan's possessed body progressively deteriorates, beginning to break down and go out of control. The Blue Night begins at last. As powerful clergy around the world are engulfed in blue flames one after another, the Myodha Sect in Kyoto, the Three Sages in the Vatican, Shiro and the Knights in the Japan Branch struggle against the dire situation.