Ep 18. E 18

Most people escaped from Beelzebub's Skull by train, the Masquerade. There, Kazuya and Victorique meet fellow passengers who only identify themselves as "an orphan", "a scarecrow", "a woodcutter" and "a knight". However, they're all actually agents of either the Ministry of the Occult or the Science Academy, and all are after the memento box that Roscoe hid in the convent many years ago. Suddenly, the room that Victorique and Kazuya are in is plunged into darkness!