When the gang visits a shrine to ring in the new year and a new semester, it feels like peaceful days have finally returned. This brief moment of respite is cut short as a meteorite is sent hurtling toward Earth by Mukuro Hoshimiya, a Spirit wandering the cosmos. To prevent more space-related mayhem, Shido tries to talk to her, only to get rejected harder than he ever has before. Can he come to an understanding with a Spirit who's closed off her heart and roamed the galaxy all alone?