Enemy creatures that must be defeated are "Emotional Deviants,'' also known as "craters.'' In addition, the disasters caused by these are called "Storms.'' Nagi, a lonely high school boy, has started to feel that something is off recently, unknown memories began seeping into his mind. And then there is this strange girl he encountered. Everything culminates when his landlady turns into a monster in front of him and a strange power awakens in him. Is he a human or a Craters himself? A new era of psychic battle action where "emotions" shake the world!! (Source: Kodansha, translated)