In the ruins of a hi-tech society, survivors salvage what they can and pray no one tries to repeat the mistakes of the past. Seseri is a young girl in the kingdom of Solpagania, the subject of various biological experimentations. While in the lab, she discovers a robotic being named Bead, who has been uncovered from ancient ruins. Upon awakening, the two escape from their prison and reach the surface, where they discover a world in disarray.