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.
That's why, Mom, I—
...لهذا أنا يا أمّي
Dehsalb, Mom, werde ich …
Por eso, mamá, yo...
Por eso, mamá, yo...
C’est pour ça, maman, que je vais…
Per questo, Mamma, io—
Por isso, Mom, eu vou—