In a certain town, there were sequent apparition assaults. Because the incidents were extraordinarily, there was a gossip that a shade or eldritch fauna caused them. The students in the body which Akitoshi went to were frightened. However, all the students except Akitoshi mentation they had known her. In a confident town, in that respect were sequent phantom assaults. However, all the students eliminate Akitoshi thought they had known her.

Based on a game by colors In a certain town, there were consecutive phantom assaults. Because the incidents were extraordinary, there was a rumor that a ghost or supernatural creature caused them. The students in the Akitoshi's school were frightened. One day, an unknown girl appeared in the school. However, all the students except Akitoshi thought they had known her.