Koharu gets frustrated by Hiyori trying to help her so much as she's fishing and Koi celebrates her sixteenth birthday.
Then we'll have you
work in the kitchen, Koharu.
.إذاً ستعملين في المطبخ يا كوهارو
Dann bist du für die Küche zuständig.
Então, a Koharu-san fica na cozinha.