A girl from a powerful company has been called by a mysterious voice and discovers a whole new world. Traveling with the lone wolf, Kouji Minamoto, the leader, Takuya Kanbara, the flirt, Junpei Shibayama, the airhead, Izumi Orimoto, the youngest, Tomoki Himi, the bookworm, Bokomon and the dumbo, Neemon try to figure out what is going on with the world using legendary spirits. OCx?