One day, a wonder call doll, which the detective AI Charlotte Seams cherishes, was cut into pieces and discovered. In search of clues to the case, Charlotte contacts the same damaged Finsela, Medira, and a surprising "cooperator" to investigate. Who is the criminal? What is the criminal's true purpose? "I will unravel all the mysteries in the world" --- Charlotte challenges the mystery in the name of the detective. (thetvdb.com)