The girls go look for Maryberry, who has disappeared. Meanwhile, some of the girls may have figured out the cause of the supernatural phenomena they've been sent to investigate.

Tiara and her group finally start getting some points. Tiara comes to the conclusion that she'd like to perform an Orchestra with her friends, and she finally finds out the truth about Yue.

Tiara and the rest of her group try to get ready for their first Orchestra and Tiara also learns more about her old sister Eliza and the unit she was in named Ray.