Ep. 9: Setsuna assists Rinne with a mysterious invention in an ice-encased underground shelter-city.
Aired on August 26, 2018
Located within an underground shelter-city encased in ice, Setsuna encounters a young girl named Rinne. She begins to assist Rinne with a mysterious invention that is said to have the potential to save the world. However, the true nature and purpose of this device remain unclear to those involved. As the pair works together, the city itself faces imminent destruction and will perish very soon. The narrative focuses on their interaction amidst the looming threat to their environment.
Episodes
- Ep. 5 · Sara’s urgent hypothesis about Setsuna’s return meets Rinne’s dark confrontation.
- Ep. 6 · Rinne bids farewell to her past while Kuon harbors misgivings about the future.
- 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