Bliss City was a real utopia anyone could dream of. However, the high school girl Reina Mitternacht was regularly tormented by intuitions and vague sensations, as if something was not right with this seemingly perfect world. In addition, she kept dreaming about a mysterious girl whose identity was unknown to her. Moreover, she befriends the new student of her class, Kaori Daylight, who also did not prove to be an average person. Her newfound friend is targeted by a mysterious organization, the Magistras. From then on, Reina does everything she can to protect Kaori and tries to shed light on the mysteries surrounding her world.