Mikoshiarashi and Tetsunoshiki were mawashi wearing middle schoolers who would practice sumo every day by the river on their way home. Scouted by a sumo master, both of them trained hard every day. Finally, during the final match of the New Year`s Grand Sumo Tournament, Mikoshiarashi must fight his friend Tetsunoshiki for the title, but is completely defeated. Disappointed but not discouraged, Mikoshiarashi consults his Sumo Boss for advice...