At Minamo's school, girls talk about a reputed medium in the Metal. Her responses seemed as if she foresees everything, and this captured her fervent followers. Her name is Elisa. However, it became apparent that humans who got in touch with her had a part of their memory lost, thus DenRiken initiates an investigation to find the identity of the mysterious medium. At the same time, Haru is chatting on the Metal in his office. And his interlocutor introduces herself with the name of... Elisa!