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.
You could at least say older brother.
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Wenn schon, dann eher ein großer Bruder.
Al menos llámame hermano.
Al menos llámame hermano.
Un frère, plutôt,
je suis pas si vieux.
Potresti almeno dire "fratello maggiore".
Podia ao menos dizer
irmão mais velho.
Давай лучше остановимся на брате.