Koharu gets frustrated by Hiyori trying to help her so much as she's fishing and Koi celebrates her sixteenth birthday.
Welcome back, Mom!
!أهلاً بعودتك يا أمي
Willkommen zurück, Mama!
Bienvenida, mamá.
Contente de te revoir !
Bentornata, mamma!
Bem-vinda de volta, mãe.