Rio learns that his mother's ears have turned into pot stickers because his older brother Yuu was kidnapped, and Rio feels responsible for what happened. When Rio nearly falls off a cliff while searching for Yuu, Ramune throws himself in harm's way to protect him and ends up badly injured. In order to save Ramune, Rio uses the Pearl of Night Voices he received from Ramune to treat his mother, desperately calling out to his mother, who can't hear his voice.
The doctor said that can only be used by 
a man and woman who love each other.
قال الدّكتور أنّه يمكن استخدامها من 
.قبل رجل وامرأة يحبّان بعضهما فحسب
Der Doktor hat betont,
dass dies nur von einem Mann
El doctor dijo que solo servía entre
un hombre y una mujer que se aman.
Seuls un homme et une femme
qui s’aiment peuvent se parler.
Il dottore diceva che può essere usata 
solo da un uomo e una donna che si amano.
O doutor disse que só um homem e
uma mulher que se amam podem usar.
Раковинами могут пользоваться лишь
любящие друг друга мужчина и женщина.