Lycoris a wandering AI is first encountered by Albireo in Hulle Granz Cathedral. He attempts to delete her but she escapes by segmenting her data into multiple sections which are released throughout the system. Not one to give up Albireo manages to locate a fragment of her data after receiving a mysterious email pinpointing her location. However the fragment he finds is only a small portion of Lycoris and he is forced to go through a series of quests in order to restore her completely. Lycoris is the Greek word for Twilight. source: //