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.
mata dokokade
Bis zum nächsten Mal!
mata dokokade
mata dokokade
Peut-être qu’on se retrouvera
Até nos encontrarmos de novo
пока не встретимся вновь.