自然の摂理を「心」で捉え、“力”に変える、人はそれを“第六感”と呼ぶ――。地の底“落界”。空を夢見る少年ルオは、ある日、地上のバケモノ“テツジン”の死骸、“遺鉄”を手にする。しかしそれは、触れてはならない禁忌の力だった――！目指すは地上。“ロクデナシ”が世界を変える、≪超王道少年漫画≫堂々開幕!!
The “sixth sense” is the ability to perceive the providence of nature with one’s “mind” and transform it into “power”. The “Falling World” at the bottom of the earth. One day, Ruo, a boy who dreams of the skies, comes into possession of “relic iron,” the carcass of Tetsuzin, a monster from the earth. However, it is a forbidden power that must not be touched! The goal is to go to the ground. The “super-royalistic boys’ manga” in which a “rokudenashi” changes the world is about to begin.
