Armored trooper pilot Chirico Cuvie is reassigned to Planet Odon, where he and fellow recruits face a simulated battle that morphs into a life-or-death struggle to weed out the weak. Despite battling through injury, Chirico emerges as one of the few survivors, raising suspicions about his uncanny knack for defying death. As Colonel Peruzen eyes Chirico's exceptional resilience, the question lingers: is Chirico truly invincible?