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.
But I'm sure Shiena's not into him.
...لكنّي متأكدة أنّ شيينا ليست معجبة به
Aber ich glaube nicht,
dass Shiena darauf aus ist.
Pero sé que a Shiena no le gusta él.
Pero sé que a Shiena no le gusta él.
mais Shiena doit pas penser à ça.
Ma sono certa che a Shiena lui non interessi.
Mas sei que a Shiena não gosta dele.
Но он её точно не интересует.