The Chronicle of the Big Battle between Yin and Yang

Riku and Kogenta meet a Shikigami named Genbu no Koroku, who knows of a way to repair the Kotetsu sword. Riku and Kogenta also find one of the Chi-ryuu's Shikimon. While Riku's friends work with Koroku repairing the sword, Riku and Kogenta figh...