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 know now that we weren't.
أعلم الآن أننا لم نكن كذلك
Unterdessen ist mir klar,
dass das was anderes war.
Ahora sé que no.
Ahora tengo muy claro que no.
C’est pas le cas.
Adesso so che non lo eravamo.
Agora eu sei que não éramos.
Только сейчас я понял,
что это не так.