After her mother and father died, Shiori and her little brother Shu were taken in by their uncle. Soon after, Shu was hospitalized with a hereditary disease, and Shiori was sent to the school as punishment for fighting back against her uncle's abuse. Meanwhile, Hibiki has taken over leadership of class four, and Hyo appears before him, to make him an offer he cannot refuse.
We're all new here, so we lack stamina.
جميعنا جدد هنا، لذا نحن نفتقد طاقة التحمّل
Wir sind alle noch neu hier,
uns mangelt es an Ausdauer.
Todos somos nuevos
y nos falta resistencia.
Todos somos nuevos
y nos falta resistencia.
Ils arrivent seulement,
ils n’ont pas mon endurance.
Ma tutti gli altri,
essendo praticamente appena iscritti,
Somos todos novatos, então
não temos essa energia.
Мы все здесь новички, 
и нам не хватает выносливости.