Rin's anger towards Ryuji Suguro releases as blue flame in front of everyone, resulting in Rin being thrown into prison. While locked up, Shura delivers a letter to Rin from Tatsuma, Ryuji's father and the head priest of Myohda Sect. From the letter they learn of the relationship between Tatsuma and Shiro Fujimoto, as well as the secret of the demon sword, Kurikara.