[Machine Translation] Kizuna Todo, whose grandfather is a master of the Shoden Itto style of swordsmanship, has been assigned to the Special Investigation Unit of the Metropolitan Police Department's Organized Crime Division in order to break down the barriers between the main office and the local jurisdiction. Kizuna, who has a natural brightness that attracts even the most gruff of detectives, is confronted with a murder case involving the sale of an illegal drug called "Teardrop". Behind it all is an unfathomable underworld conspiracy!