Seiichi spends time training F-class for the upcoming class competition, but when the day finally arrives, Seiichi is nowhere to be found, leaving F-class to defend the academy from the apostles of the Great Devil Order!
Then let me show you the difference 
between Class S and you dropouts.
Van a ver la diferencia
entre la clase S y los fracasados.
Vais a ver la diferencia
entre la clase S y los fracasados.
Allora lasciate che vi dimostri la differenza
tra la classe S e voi falliti.
Vou mostrar a diferença entre a
Turma S e a turma de fracassados.
Позвольте показать разницу 
между классом S и выбывшими.