Since she was a child, Miyu was trained by her father, who was known as a legend in the martial arts world. Eventually, Miyu herself came to be called the undefeated queen of the martial arts world. However, during a match, she accidentally killed her male opponent... Banished from the organization, Miyu found herself in the underground martial arts world, a place where rough characters gather. Kaori, the fiancée of the man who was killed, plotted her revenge against Miyu and arranged an illegal match...