Setsuna rises up to create a future for a city without hope, but tragedy strikes time and again. Meanwhile, Rinne finishes her invention and Setsuna sets out for the future to save mankind’s existence.  Just before he goes, Setsuna makes a promise to Rinne.
I would do it, but I do 
not think it will work.
كنتُ لآمل ذلك، لكن لا أعتقد أنّ هذا سينجح
Meinetwegen, aber das wird nichts bringen.
No me importaría, pero no servirá.
No me importaría, pero no servirá.
Si tu veux,
mais ça ne marchera pas.
Fa' pure, ma non credo funzionerà.
Eu concordaria,
mas não acho que vai funcionar.
Я-то не против,
но не получится.