The world is under attack. meteors fall from no where and those meteors are none other but monster claimed as Scavengers. The Japan Mecha Army contains the nuclear unit. Kazuma is an ordinary high school boy who gets selected as the nuclear unit member. The world is now in the hands of 10 new recruits to avenge the death of the people and reveal the unknown mystery of the Scavenger

denmsetsu no hiroto epsiode 1. A guy named hiroto sets on an adventure to save the world. with his two of his friends. the world is a t destruction. due to numerous weapons able to destroy the world. To save the world the hidden weaponry has to be found and destroyed. many enemioies are after that weaponery.