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.
Wash it... clean...
...أمسحه... أنظّفه
Waschen … Weg damit …
Tengo que lavarlo…
Tengo que lavarlo…
Je dois effacer toutes les traces…
E pulirmi.
Lavar tudo... isso...
Смыть... отчистить...