Synopsis: A cute high-school girl Kei Tsuchida joins a karate dojo. Kei was born with amazing athletic ability and quickly outshines the boys. Despite her accomplishments, the master Matsumura does not award her the coveted "Blackbelt". Kei only cares about kumite (fighting). Matsumura tries to teach Kei that karate is about more than just fighting and that "the real strength is in the kata (forms)". Kei wants a blackbelt and will do whatever it takes to get it.