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.
kaikai tourai mysterious
Hier kommt ein Rätsel! Wie mysteriös!
Se acerca un enigma, qué misterio
Se acerca un enigma, qué misterio
Avec le surnaturel
Arrive le mystère
Que enigma mais misterioso
Новая загадка. Как таинственно.