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.
Let's have a wedding before you go.
لنعقد زفافنا قبل أن تذهب
Lass uns heiraten, bevor du gehst.
Oye, casémonos antes de que te vayas.
Casémonos antes de que te vayas.
Faisons une cérémonie de mariage
avant ton départ.
Ehi, sposiamoci, prima che tu vada.
Vamos oficializar nosso
casamento antes de você ir.
Давай устроим свадьбу перед тем,
как ты отправишься.