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.
but we have known each other a long time.
لكنّنا نعرف بعضنا من وقتٍ طويل
aber wir kennen uns schon
eine lange Zeit.
eravamo conoscenti già da prima.
mas nos conhecemos
há bastante tempo.
но уже давно знакомы.