From a long time ago at ancient times, The world where person fights against Demon Family ―― Raguno who is the lower class executive in Hell, The identity theft in the person. hold a big ambition, It becomes a teacher in a certain educational institution and it is attached to the duty. What is his duty?, Search for Houtsurugi of unsigned of giving power to bundle the world in person who obtains it.

One side, If you will not hand over it to the hand of Demon Family, The arc girl who are fighting caliber the hand of Takaratsurugi that kills Demon Family. They, Under the command of the world organization Camus that manages and generalizes takaratsurugi, While commuting to the educational institution where raguno serves as the teacher,Houtsurugi of the unsigned It fights against raguno over. That sort of inside, In addition, by moving in about another arc caliber, Raguno is forced a severe fight and, The possibility of existing so that houtsurugi of the unsigned is near rises.

Though raguno that tries to avoid missing this machine, The war potential given to raguno who is the lower class executive is few. Then, he handles the kind of demons whom other executives do not want to handle, It sets up the traps to heroines, it wiles and it fights, A variety of pleasure blame is schemed even if it does. Again, Insemination by handling demons according to circumstances, It thinks about the war potential that becomes my under control even though it increases.

Worry is told in the educational institution, Raguno that obtains their trust. Before long, Though raguno that rushes into action to accomplish the ambition...