Hitori no Shita: The Outcast

The Tenshi's servant Hane is actually Kyoukei, acting Master of Zensei, who believes Den Shinchuu possesses an important secret concerning the Koushin War. He reveals that he hid his identity to get closer to Den Shinchuu and planned this attack so he could acquire that secret. However, when Den Shinchuu refuses to talk, Kyoukei summons Meikonjutsu user Ro Ryou and tries to steal Den Shinchuu's memories.