In a scene from the past, the Sumeragi Clan ere seen chasing one of their own members. In the present, Genzo Murasame, Chairman of the Murasame (Mitsuba) Academy asks Reiko and Junko to investigate incidents at the academy while he is away on business, and they meet the President of the student council, Kikumura, who is suspicious of their presence. That night, while house-sitting Genzo Murasame's home, they come under attack from ninjas after Murasame who they refer to as Tsukikage.
