RedAsh -GEARWORLD-

In a future society where "Nano-Seeds" (Nano-Race)—people with nanomachines integrated into their genes granting them special abilities—are managed and discriminated against by ordinary humans known as "Pure-Seeds" (Pure Race), a Nano-Seed boy named Beck, who possesses the legendary ability to transform into "RedAsh" and is also a famed hunter, works dangerous jobs to earn money for surgery to become a Pure-Seed. Alongside Tiger, a timid giant mechanic, he travels to the Old World via Parallel Machines. One day, a girl named Cole, pursued by the mysterious duo Safari and Stripe, suddenly barges into Beck's life, forcing them to jump together into the Gearworld. However, the duo and their leader, Deny, relentlessly chase after Cole and finally launch an attack on Beck and his companions...!