Shortly after winning the World Martial Arts Tournament and using the winnings to pay off her grandfather's one hundred million yen debt, a reporter shows up on Kizuna Todoroki's doorstep. Impressed that such a young girl was able to defeat the 10-year reigning champion, the reporter wants to interview Kizuna for a piece on her and the Wadachi Ju-ken school of martial arts founded by Kizuna's grandfather. However, be...