Kirika and Shirabe attempt to recover Dr. Ver so that he can treat their mom.  They run into Hibiki, whose fusion has progressed to the point where she can fight a Noise with her bare hands.  Dr. Ver injects them with a LiNKER boost, and they attempt to use their ultimate songs, which might kill them.
The Shul Shagana's Climax Song
الأغنية النهائية لشول شاغانا
Der Climax Song
von Shul Shagana …
El Canto de Cisne de Shul Shagana
El Canto de Cisne de Shul Shagana
Le chant du cygne de Shul Shagana
La Canzone Sublime della Shul Shagana
A Canção Soberba do Shul Shagana