The heroic duo Ysphere, consisting of Ysflare and Ysaqua, fall into a sinister trap set by the villainous Omega. Captured in a brainwashing laboratory, the celestial princesses are subjected to potent aphrodisiacs and psychological torture designed to break their will. As their mental defenses crumble, they are conditioned to embrace their degradation, transforming from defenders of justice into mindless subjects of their captors.