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.
It's inside me, forever.
إنه بداخلي للأبد
In mir wird er für immer existieren.
Siempre estará dentro de mí.
Siempre estará dentro de mí.
Rimarrà dentro di me, per sempre.
Ficará dentro
de mim, pra sempre.
Навсегда останется внутри меня.