Xiu's hand stroking the motorcycle engine suddenly showed green dragon scale patterns, Zhang Cong's mechanical prosthetic arm showed the afterimage of a snake spear when moving the desk, and Xu Yu's electronic keyboard automatically played an ancient melody that did not belong to this era - five seemingly ordinary high school students were involved in the gears of destiny that spanned time and space because of a silk book engraved with Cthulhu patterns in an old bookstore. When the bronze cauldron in the cultural relics museum erupted into turbulence of time and space, key-like patterns appeared on the skin under their school uniforms, and the truth behind their hidden bloodlines was finally revealed: they are the "war soul hosts" of the famous generals of the Three Kingdoms of Silver Time and Space, and they are the last line of defense to prevent history from being tampered with by the seeds of rebellion.
