The Chronicle of the Big Battle between Yin and Yang

Yakumo is attacked by Shoukaku, a Toujinshi of the Jin-ryuu, and his Shikigami, Oobi no Yatarou. Yakumo fends off the attackers and discovers what the Jin-ryuu are planning. Masaomi gives Riku information about the Chi-ryuu's 4 Kimon. While on t...