Koharu gets frustrated by Hiyori trying to help her so much as she's fishing and Koi celebrates her sixteenth birthday.
Is she actually troubled by this or...
...هل هي قلقة من هذا أم
Und sie macht sich … Sorgen?
¿Se supone… que estás triste?
Elle s’inquiète pour elle, là ?
Sicura che la cosa... ti preoccupi?
Você está mesmo preocupada?