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.
Amanokawa-kun!
!أمانوكاوا-كن
Amanokawa-kun!
-¡Amanokawa!
-¡Kiyoshiro!
-¡Amanokawa!
-¡Kiyoshiro!
Amanokawa !
Amanokawa-kun!
Amanokawa!
Аманокава!