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.
ima wa mou kimi ga soba ni inakutemo
mayowanaiyo
Contigo no volveré a sentirme perdido.
Contigo no volveré a sentirme perdido.
Maintenant, même sans toi à mes côtés
Je suis sûr de ne plus douter
Agora, mesmo que não esteja ao seu lado,
eu não vou mais me perder