A temporary teacher has been assigned to the school of Miko and her friends. Surrounding them are many bizarre monsters. Miko, a high school girl who desperately continues to ignore the monsters that ordinary people cannot see, finds herself in a class with a temporary teacher named Yoshitake Tohno, a young man surrounded by these strange creatures. The school life of Miko, who can "see" them, is about to take an even more tumultuous turn.