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...
This is incredible!
!مذهل
Unglaublich!
¡Increíble!
¡Increíble!
Incroyable !
Pazzesco!
Demais!
Ого!