Secret organizations and National Esper Institute of the country in which you made in order to protect a super ability to people's lives: the (aka Kokueken), after and brought up to Esper full-fledged collection of children there is a quality of Esper, secretly is fed into society, using its power, had been obliged to work for the country. Apprentice Esper Manoerina of the institution: from thought "it! Exits here, want to see the world" and, (commonly known as half Esper) is to escape and blow it off with an ESP, the facilities of some of Kokueken was the put away.