Renton is a teenager working as a mechanic in a backwater town, dreaming of following in his father’s heroic footsteps by joining the daring pilot group Gekkostate. His wish takes shape when a mysterious woman named Eureka arrives asking for a tune‑up, and Renton soon finds himself drawn into a high‑flying mecha dogfight that makes him a target of the military. After the dust settles on the spectacular battle, Renton is invited to join Gekkostate, only to discover that even a dream come true can have a dark side.