In New York, magical terror attacks are occurring one after another by the Babel Brigade, and the magical girls set out to intercept them. Jarde faces off against the musical mercenary Xiao and the Golem Master. Soyoun and Claire confront the necromancer Valvara. Asuka, Kurumi, and Mia also prepare to battle the improved magical biological weapon, Zumei. Meanwhile, an unusual event occurs with the kidnapped Sayako――!? And the true purpose of the Babel Brigade is revealed! The legendary five (Magical Five) and the second-generation magical girls join forces in an unprecedented emergency in Volume 12!!