第10話: セツナはリンネへの最後の約束を果たしながら、街に希望ある未来を模索する
2018年9月2日 放送
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. (Source: Crunchyroll)