After the showdown on the hospital's rooftop, the world crumbled into nothingness... And then Kagami Kii, Kaede and the others present Tsukune's rooftop death awakened to find themselves in a new world with no Magical Girls, a parallel reality where Tsukune dies in a car accident. However, the true mastermind behind the Magical Girl Apocalypse has no intention of allowing his plans to be so easily thwarted. Kii and the other survivors of the original world will need to team up with some unexpected allies to uncover the truth and change the future!