|S2 Episode 9 - Awaken the Power|
lol I figured that would happen... Dia is afraid that Ruby is going to leave Aqours and join Saint Snow.
Summary: <spoiler /><spoiler>
Joined by Hanamaru and Yoshiko, Ruby stays behind in Hakodate to prepare for her and Leah's concert while the rest of Aqours returns home. After finishing their song, Ruby and Leah approach the festival committee, managing to use the courage they received from their sisters to convince them to let them take part in the festival. Later, Ruby helps Leah to open up with her classmates before they both formally invite Dia and Sarah to the festival, where the rest of Aqours join them in their performance. Afterwards, Leah decides to quit Saint Snow so that she can start up a new school idol group. </spoiler>