Seiichi arrives at Barbador Magic Academy, where he's appointed as the new teacher in charge of F-class, a group of problem students, in order to save the academy.
to achieve that, we need the negative 
emotions of mankind's despair.
per riuscirci, ci servono i sentimenti negativi
scaturiti dalla disperazione degli esseri umani.
чтобы это сделать, нужно получить больше 
негативных эмоций от человечества.