Kaoru, a friend from the piano class Ruli once attended, has gone missing. While searching for her, Ruli and the gang find a strange dent and her shoes. And as they continue their search, Hiro is suddenly asked a mysterious riddle.
Ow.
مؤلم
Autschi …
-Qué daño.
-¿Qué hace ahí ese escalón?
-Qué daño.
-¿Qué hace ahí ese escalón?
Aïe.
Che botta...
Ai...
Ой-ёй...