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.
Hearing Ruli play the piano is calming...
...سماع رولي تعزف البيانو مُهدّئ
Rulis Klavierspiel ist so beruhigend …
Escuchar a Ruli tocar el piano
es muy relajante…
Escuchar a Ruli tocar el piano
es muy relajante…
Le son du piano de Ruli
Ascoltare Ruli suonare il piano è rilassante...
Ouvir a Ruli tocar piano acalma o coração.
Игра Рули так успокаивает...