At Xingcheng Mecha Academy, Alex, a penniless instructor, receives a love letter from the campus beauty—only to be ambushed and provoked by Tyler, the scion of a wealthy family, along with his gang. No one knows that this humble instructor, who drives a shabby second-hand mecha, is in fact a legendary pilot of the Federation's First Mecha Corps. The moment Tyler strikes that "junk mecha," everything begins to reverse.
