Sister Street Fighter: Hanging By a Thread

Female martial arts expert Koryu journeys to Yokohama on a rescue mission. A woman named Birei has been kidnapped by a ruthless crime syndicate that smuggles diamonds by surgically implanting them into prostitutes. Koryu's investigation reveals her own sister is reluctantly tied to the gangsters. Koryu must use her formidable combat skills to infiltrate the organization, confront the crime boss, and save Birei from a terrible fate.