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...
We were just talking with my grandma 
about shows from the past.
كنّا نتكلّم مع جدّتي عن برامج الماضي
Wir haben gerade mit Oma über solche
alten Sendungen gesprochen.
Stavamo parlando dei programmi televisivi
di una volta con mia nonna.
Estávamos falando sobre
programas antigos com a vovó.
Мы как раз говорили с бабушкой
о шоу, что показывали раньше.