Ari is still grieving after losing Seiran, but a heart-to-heart with her upperclassman Esther helps her feel better. Meanwhile, school life goes on for the students of the facility, from health check-ups to late-night snacks—and speculations about the origins of the war they’re fighting in the first place. As the roommates continue to spend their days together, Sheena begins to realize her feelings for Mimi just might go beyond the bounds of friendly cohabitation…