Fan: Prequel to Katu

This is a fan fiction written by Fang Xiangkatu. Katu shows a story in a world dominated by card technology. The background of this novel is set long before the events in the world of Katu. At that time, people had not yet discovered the secret of card technology. Instead, we live in a technological world centered on something called a "matrix machine". In this concept of scientific supremacy that is universally worshiped in the Federation, Rozzi and Chemosikh will gradually change the structure of the Federation with their own discoveries. And write their own stories. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.