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.
If Rio had been in serious danger, 
I would've used them immediately.
.لو كان ريو في خطر كبير، لاستعملتهما على الفور
Wenn Rio tatsächlich in Gefahr gewesen wäre,
hätte ich die sofort verwendet.
Si Rio hubiera corrido peligro,
los habría utilizado enseguida.
Si Rio avait été sévèrement blessé,
je les aurais utilisés sans hésiter !
Se Rio fosse stato in serio pericolo, 
li avrei usati immediatamente.
Se o Rio estivesse mesmo em perigo,
eu usaria imediatamente.
Если бы Рио грозила серьёзная опасность,
я бы сразу ими воспользовался.