Anna and Destiny happen to see a town destroyed during their travels. D2s are awakening everywhere and attacking various towns and people, reverting the world back to four years ago, before Sagan's Declaration. As the threat from the D2s grew, Takt was obsessing over something. With a blank staff notation in front of him, Takt plays an imaginary keyboard as he desperately tries to create something.
Then what is the solution? 
It's quite simple, actually.
ما الحلّ إذاً؟ هذا بسيط جدّاً في الواقع
Was bleibt einem also übrig?
Ganz einfach.
¿Qué deberíamos hacer? Es sencillo.
¿Qué deberíamos hacer? Es sencillo.
Que faire, alors ?
La réponse est simple.
E quindi, qual è la soluzione?
È piuttosto semplice, in realtà.
Então, o que devemos fazer? É simples.
Так что же тогда делать?! А ответ прост!