The Ptolemaios 2, damaged by the Innovators' attack, descends to Earth. Now separated from his comrades, Setsuna searches for the Ptolemaios 2. But instead, he finds Ali al-Saachez and his Arche Gundam waiting for him.
Wakareru no wa deau tame
...then the reason for farewells is to meet again.
.إذًا سبب الوداع هو اللِّقاء مجددًا...
la razón para un adiós
es volver a encontrarnos.
la razón para un adiós
es volver a encontrarnos.
Então nos despedimos só 
para nos vermos de novo