Two long years have passed since The Phoenix, a union of asteroid miners, have declared war against the Confederacy of Terraformers government. The introduction of Heavy Assault Suits, a giant humanoid armor originally intended for terraforming, to battlefront have granted advantage to The Phoenix during the early days of war. One of them was the infamous Vacban, feared by the Confederates under the nickname- "the X-faced deamon" -and little did they know it was piloted by a mere little girl... -Aim Bot: VACBAN Z, S01E01