Synopsis
Aoba, a girl passionate about building robot models, resided with her grandmother until the grandmother's death. Soon after, she is abducted and taken to a hidden base, where she encounters a massive robot. These piloted machines battle the Ancient-Jinki within the Grand Savanna, yet the actual purpose of these conflicts remains concealed. Aoba dedicates herself to training at the base, aspiring to pilot a robot and uncover those secrets.