Akiko Chirubi (明子 智流美) is a boy who studies at highschool in Tokyo. When he turns to 17, his life suddenly changes. He starts to hear strange parasyte voice on his mind and gets confused and mad. Moreover a digital virus occupies smarts phones world wide and very strange situations occur everyday. His best friend Tsukide Akari (月出 光 ) tries to calm down and help Chirubi but she has a secret. There is one thing clear. The world is changing strangely. Is going to Chirubi get rid off the sounds on his mind? What is the secret of Akari? What is going to be to the world after all?