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.
Hot springs...
...ينابيع ساخنة
Heiße Quellen …
Las aguas termales…
Las aguas termales…
les sources chaudes…
Le terme...
Águas termais..
Горячие источники...