Kanon is suddenly told that her study abroad was cancelled. At school, the remaining Liella! members continue to practice, determined to make up for Kanon's absence. Meanwhile, Margarete, who has become a student at Yuigaoka, establishes a "New School Idol Club" to compete with Liella!. However, Kanon sees a reflection of her former self in Margarete, who is unable to recruit new members. Kanon is torn between returning to Liella!, who she already said goodbye to, and isn't sure what decision she should make...

Natsumi's little sister, Tomari, joins the New School Idol Club and they begin their activities as Tomakanote. Their first show is an upcoming remote concert, but their motivations concerning school idols are totally different, causing some friction.

Liella! feels motivated more than ever after seeing Tomakanote's remote concert. To show Liella!'s new potential, Chisato chooses Shiki for the next center. Shiki is unsure why she's chosen for the center and passes out during practice from the pressure.

People start to wonder what the future holds for Liella! & Tomakanote. The two groups bump into each other one day during training. They have a little scuffle, then Natsumi & Tomari run off somewhere. The girls chase them & they somehow end up in Ushiku.

1st term is over and summer vacation is about to begin at Yuigaoka. The 1st gen students are one step closer to graduation so Keke and Kanon talk about their futures, but Keke is unsure of hers. During break, the girls head to Shanghai.

Keke always thought that studying hard and doing well in school was everything, but something changed in middle school. Liella! gets a chance to perform at the Shanghai Fes because of Mengmeng. Meanwhile, Keke decides to go to college after high school...

Liella! and Tomakanote had a successful performance in Shanghai. Liella! wants Tomakanote to join them, but Margarete still wants to beat them and Tomari also declines. But only one group can go to the Love Live. Kanon's solution is a sleepover?!

The losing team will have to grant one wish from the winning team. That was the promise Liella! and Tomakanote made for the school festival. Two members from each team: Mei, Natsumi, Tomari, and Margarete, were chosen to make the song for the competition.

Liella! is finally all together. The 11 girls start training together, but Margarete is having trouble fitting in. Kanon wants Margarete to fit in, so she asks her to think of the formation for their next performance.

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Kanon heads to Vienna alone to finish her enrollment paperwork. Keke, Chisato, Sumire, and Ren decide their career paths for after they graduate. Meanwhile, the 2nd years try to come up with a song to ensure their victory at the Love Live.

Yuigaoka Girls' High School's first graduation ceremony is just around the corner. The first and second-years of Liella! are preparing for a third win at Love Live, so the third-years write one final song for them just before they graduate.