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.
If not fit for a king,
،إن لم يكن ملائماً لملِك
Nicht angemessen für einen König, …
Si no es digno de un rey,
Si no es digno de un rey,
Parfait pour un roi,
Ciò che non è all'altezza di un re,
Se não for digno de um rei,
Что не подходит королю,