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.
You'll need to stand still for two hours 
without a single person breaking rank.
يجب أن تقفوا لساعتين دون أن يكسر أيٌّ منكم وقوفكم
Ihr müsst zwei Stunden lang stillstehen,
ohne dass jemand umkippt.
Deben quedarse firmes
por dos horas sin romper filas.
Debéis quedaros firmes
dos horas sin romper filas.
Vous allez tous devoir tenir
deux heures sans pause. Commencez !
Ficarão em pé por duas horas e
não quero ver ninguém se mexendo.
Нужно простоять два часа 
без нарушения строя.