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.
Kaoru what?!
!كاورو ماذا؟
¡¿Que Kaoru qué…?!
¡¿Que Kaoru qué…?!
Quoi, Kaoru ?
Kaoru?!
A Kaoru?
Что с Каору?