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 first thing to do is to increase your compatibility values.
أوّل عمل ينبغي القيام به هو تعزيز
قيمة توافقيّتكما
müssen wir erst mal
eure Kompatibilität erhöhen.
primero debemos aumentar 
sus valores de compatibilidad.
primero debemos aumentar 
vuestros valores de compatibilidad.
vous devez obtenir
un meilleur taux de compatibilité.
la prima cosa da fare
è aumentare i valori di compatibilità.
a primeira coisa a fazer é aumentar
 seus valores de compatibilidade.