The midterm exam score rankings are posted. While Himari and Kyouko earned high ranks, Hikari is scolded by Tetsuo for getting three failing grades, so she resolves herself to study along with Yuki. Meanwhile, Yuki drops something important to her somewhere in the school, and Sakie happens to find it, but Yuki has trouble admitting that it's valuable to her...
Maybe it's because there 
are lots of raunchy ones.
.ربّما لأنّ الكثير منها إباحيّ
Es kann sein, dass vulgäre
Sachen darin vorkommen.
Tal vez porque muchas
 son algo atrevidas.
Tal vez porque muchos
son algo guarretes.
Peut-être parce que
c’est souvent un peu vulgaire.
Probabilmente perché ce ne sono molti volgari.
Talvez porque existam muitos obscenos.
Наверное, потому что среди
неё бывает много непристойной.