Black and a Mask.A dying woman summons a demon to avenge her and her partner and the demon agrees to her request, deciding it would be an amusing distraction. Shizu's memory: Shizu is summoned to the Kingdom of Filtwood with other adventurers to stop a demon from taking its remains under the castle and reviving. Upon hearing the Silver Wings, a pair of famous adventurers, were killed by the nameless demon, some try to withdraw. The minister refuses to let them leave, revealing some are possessed by demons, which causes paranoia among the group. One of the crowd, the demon from before, starts laughing, claiming the knights summoned the lesser demons but does not explain...