The hot, hot summer of Tajimi has arrived, and Himeno, Mika, Naoko, and Touko have a blast in the river trying to catch eel!
Then suddenly a kappa appears before them and takes them down to Ryūgū-jō.
Inside Ryūgū-jō, a certain person in the form of their high school self is awaiting them...
Next time, we've got "Pound, 
stretch, subtract, and add".
"الحلقة القادمة: "اضرب ومدّ واطرح واجمع
Nächstes Mal: „Klopfen, ausdehnen,
subtrahieren und addieren“.
Próximo episodio: "Gólpealo,
estíralo, quítale y agrégale".
Próximo episodio: "Gólpealo,
estíralo, quítale y agrégale".
À suivre,
Écraser, étirer, reculer, compléter.
Il prossimo episodio si intitola,
"Batti, stendi, togli e aggiungi".
A seguir: "Bata, estique,
puxe e adicione".
Далее: «Стучим, тянем,
вычитаем и складываем».