Some misunderstanding is created between Haruka's and Isami's relationship that causes some inner hatred from Ai. Now, it seems Haruka has to weld it back together again.
Haruka found an old video when she was younger. She looks around the town to find a tape that could hopefully play it, but in the process of it all, raiding units from Shangri-la have appeared, and Kuina has exploited his allegiance to Shangri-la.