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.
that you go back and save your Rinné!
!عودتك وإنقاذك لريني خاصّتك
que regreses en el tiempo
y salves a tu Rinne.
que regreses en el tiempo
y salves a tu Rinne.
pour que tu changes le passé
et que tu sauves cette Rinne !
che tu torni indietro e salvi la tua Rinne!
que você volte para
salvar a sua Rinne-san!
вернуться назад и спасти ту Риннэ!