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.
I found a shoe!
!وجدتُ حذاء
Ich hab ’nen Schuh gefunden!
¡Encontré un zapato!
¡He encontrado un zapato!
Regarde, une chaussure !
Ho trovato una scarpa!
Eu achei um sapato!
Я нашёл обувь!