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...
Huh? Wait, what happened 
to the Tenpari Quiz?
ماذا؟ لحظة، ماذا حلّ بأسئلة تينباري؟
Huch? Hä?
Hein ? Il s’est passé quoi,
avec Le Quiz Tenpari ?
Eh? Un momento... Cos'è successo al Tenpari Quiz?
Quê?! Ué, e o Tenpari Quiz?!
А? Что? А где «Викторина Тэмпари»?