Aoi needs to find the mermaid scale, so she goes to the ruins of the dragon palace, a place with a strong curse, with the master. Aoi and the master aren't affected by the miasma, but they get separated when she hears a voice calling her name.
Listen to the voice from the hidden realm
Höre auf die Stimme aus dem Jenseits
Escucha la voz del reino escondido
Ouça a voz do Reino Oculto