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.
Following prolonged 
periods of Internet usage,
،بعدَ الفترات المطوّلة من استخدام الإنترنت
Nach längerer Zeit der Internetnutzung
Tras usar el Internet
por periodos prolongados,
Tras usar Internet
por periodos prolongados,
En passant de nombreuses heures
sur le Net,
In risultanza di lunghe sessioni 
trascorse immersi in Internet
Após longos períodos de uso da internet,
В результате длительного пользования 
интернетом