Mortally wounded by Nataku, Fuma's father leaves a cryptic message for his son-"You are Kamui's twin star." After the funeral, Kamui and Kotori are attacked by Seishiro, a Dragons of Earth assassin. A still mystified Fuma manages to save both of them. But Kamui senses there is something different about Fuma. Meanwhile, Sorata and Arashi search for Subaru, another member of the Dragons Of Heaven. But Subaru also encounters Seishiro, who killed his sister seven years ago.