[Machine Translation] A red envelope arrived at "Kaito Post". It was a letter from Reich, a girl living in Prague, requesting Queen! She wants him to steal a Voynich document that no one has been able to decipher. The document contains the great secrets of alchemy... However, it is Titan, an artificial man, who has taken the ancient document from the side. Furthermore, the Hotel Berlin and Maga, the most intelligent artificial intelligence in the universe, appear, and the city of Prague is in an uproar...? From upper elementary school