Ep. 11: The characters meet again, but their identities remain unknown to each other
Aired on September 9, 2018
Episodes
- Ep. 7 · Rinne's haunting memory and Setsuna's revelation lead to a sudden disappearance.
- Ep. 8 · Rinne and Setsuna return to the mysterious island from five years ago
- Ep. 9 · Setsuna assists Rinne with a mysterious invention in an ice-encased underground shelter-city.
- Ep. 10 · Setsuna seeks a hopeful future for the city while making a final promise to Rinne
- Ep. 11 · The characters meet again, but their identities remain unknown to each other
- Ep. 12 · Characters hold hands to reach tomorrow