A world where humans and the machine race, "Cova," coexist. In the nation of "Tristan," built within a massive warship, a Cova named "Ode" embarks on a mission to uncover the truth behind the corporation "M3" and recover the memories lost before his transformation into the "Genesis Weapon" that ended the war three years ago. While investigating M3, Ode discovers children being subjected to human experimentation... Can Ode rescue the children and stop M3?