This article contains details about plotlines described in the anime.
Do not proceed unless you want to be spoiled.
Tsubasa is humble yet competitive. Despite A-RISE's popularity, she admits that she wasn't interested in it nor does she seemed concerned losing the popularity their group has achieved. She never seems to look down on A-RISE's opponents, especially μ's whom she praises and respects. Though she admires them, she says that A-RISE won't lose.
|01|| "Come True! Our Dreams!"|
(叶え!私たちの夢―― "Kanae! Watashitachi no Yume")
|Kira Tsubasa makes her first appearance in Episode 1 along with Toudou Erena and Yuuki Anju, when the performance of their group, A-RISE, is showing on a big screen in front of UTX high school. Because of them, the school is popular and getting a lot of students. Honoka Kosaka is visiting the school because her little sister is planning on applying to UTX instead of Otonokizaka, the high school Honoka attends. Not knowing who they are, Honoka asks the girl next to her (Nico Yazawa) if they are celebrities. Shocked, Nico explains to her that they are the school idol group A-RISE. After watching them perform their song "Private Wars", Honoka comes up with an idea to save her school: form a school idol group.|
| "Let's Start Becoming Idols!"|
(アイドルを始めよう! "Aidoru wo Hajimeyou!")
(ファーストライブ "Faasuto Raibu" )
|In Episode 2 and Episode 3, the same performance appears. It is when Honoka, Umi, and Kotori are all at Honoka's house. However, only their voices are heard in Episode 3.|
(ともだち "Tomodachi" )
|In later episodes, many advertisements that feature A-RISE can be seen around town, advertising the upcoming Love Live! event. It is revealed in Episode 12 that A-RISE is the #1 school idol group. Near the end of the episode, Honoka sadly watches A-RISE perform their song "Private Wars".|
|13|| "μ's Music Start!"|
(μ'sミュージックスタート! "Myūzu Myūjikku Sutāto!")
|In Episode 13, Honoka checks the Love Live! rankings on her computer, seeing that A-RISE won first place. Near the end of the episode, A-RISE watches μ's performance of "START:DASH!!" on the internet, giving them looks of awe.|
|03|| "The Door to Our Dreams"|
(ユメのトビラ "Yume no Tobira")
|In Episode 3, the members of μ's decide to look for a place to hold their live for the preliminaries of the second Love Live! but it turns out that they're out of new stages. They look elsewhere and end up in front of the UTX building. The group sees A-RISE's promotion and Honoka says that they won't lose. Tsubasa appears in front of the trio, hushing Honoka before others could see her then grabbing Honoka's arm, dragging her inside the building. Hanayo and Nico notice that Tsubasa running away with Honoka and chase after them.
The two idol groups gather in a private room at the school's cafe. The A-RISE members reveal to μ's that they've been watching and keeping an eye on the group for quite a while. They say they think μ's is going to be their biggest rivals during the upcoming Love Live!. Tsubasa, Erena, and Anju then point out each of μ's members' good qualities. Eli asks them why they know so much and Tsubasa answers that it's because it's rare to see a group with a caliber like μ's and that A-RISE don't want to lose to them. Honoka states that they won't lose either and says thank you to A-RISE. Tsubasa then offers μ's to perform on the same stage as them, which is the roof top of their school, to which Honoka immediately agrees, surprising the rest of μ's members.
The day of the preliminaries comes along, A-RISE's Tsubasa and μ's Honoka agree to give it their all and shake hands. Alisa and Yukiho are shown watching on a laptop at the Kousaka residence. Alisa is worried but Yukiho assures her that they will be fine. A-RISE perform their new song, "Shocking Party". Seeing A-RISE perform, most of μ's members start to feel that they can't win. Honoka immediately disagrees and cheers everyone up. Some of their schoolmates come and cheer them on as well. μ's find new hope and are ready to perform. μ's perform their new song "Yume no Tobira", receiving positive response from their audience.
|06|| "Happy Halloween"|
(ハッピーハロウィーン "Happī Harouīn")
|In Episode 6, during the opening of the Halloween event, A-RISE appear on television, making amazing impact even though they are not present during the opening itself.|
|08|| "My Wish"|
(私の望み "Watashi no Nozomi")
|In Episode 8, Honoka announces during an interview that µ's will definitely win Love Live!. Everyone is amazed and surprised at the sudden declaration of victory. A-RISE says that the final round of the preliminaries will be as competitive as the Love Live! itself.|
|09|| "Melody of the Heart"|
(心のメロディ "Kokoro no Merodi")
|In Episode 9, A-RISE anticipates the arrival of µ's, delighted that they made it despite the heavy snowfall.|
|In Episode 10, Erena, Anju, and Tsubasa run into some members of µ's after their shrine visit. They congratulate µ's on winning the Love Live! preliminaries.
Tsubasa also meets Honoka later, and discusses µ's winning against them with her.
|12|| "Last Live"|
(ラストライブ "Rasuto Raibu")
|In Episode 12, Tsubasa, together with Erena and Anju, are shown watching µ's "Snow halation" performance during the final preliminaries on screen.
Later on, they are shown watching the finals and joining the rest of the audience in shouting for an encore from µ's.