Jun decides to help Shiena with her studies, which drives Naori crazy. Rumi, on the other hand, seems unusually indifferent about it. However, for Naori, it's clear that she needs to keep an eye on them. So, she quickly invites herself along.
Oh, and they're in the smart class. 
You're not getting a word more out of me!
.وإنّه ذكي أيضًا. لا أستطيع إخبارك بشيء آخر
Und er ist in der Sonderklasse.
Mehr sag ich nicht.
Dernier indice :
il est dans la classe avancée.
Inoltre è nella classe avanzata.
Più di così non posso dirti.
Ah, e é da turma dos inteligentes.
E não vai ter mais dica!
Учится в классе умников.
Больше ничего не скажу.