Don't Call Me Magical Girl, I'm OOXX Vol. 2

Caught in a surprise attack, Sakura, her companions and a mysterious girl are drawn into a merciless battle on school grounds. But just as Sakura is about to land the final blow, her body reacts in an unexpected way!? As if that weren't enough, because of a mysterious group, Sakura can no longer hunt spirits the way she used to in order to keep her body alive. As the three girls grow closer and come to understand one another better, will Sakura end up disappearing, unable to sustain the energy she needs to survive!?