Rinne Kudo, who is studying abroad in England, witnesses her classmate being kidnapped by Yoko Minato in front of her eyes. With the guidance of Sophia, who is investigating a series of female kidnappings, Rinne returns to Japan and decides to investigate the case with Girls Remix. Suspecting an alchemist is involved, she heads to the crime scene first with Reika Shindai to investigate the case. Yoko appears again and attacks them, but a woman who looks just like Clotho appears and begins fighting Yoko... Will Rinne be able to solve the case and save her classmate?