With the crowd awed by WM's performance, Ichigo and Seira become excited thinking about the opportunities that await them even after the concert. Using this excitement, the girls step on stage and give a stunning performance, bring the Twinkle Star Cup to a close. With the votes across the nation tallied together, the winning unit is revealed to be 2wingS.
Ichigo and Seira start thinking about what outfits they should wear for their concert against WM, struggling to come up with an exciting coordination. Aoi and Kii hear rumors about an unused coord concept Masquerade was planning, so Orihime gives the girls the key to Masquerade's reference room, where they learn Masquerade planned to have their favorite designers make a pair of twin dresses that complimented each other like butterfly wings.
Aoi is requested to produce and star in her own music video to promote Futuring Girl. As Aoi struggles to come up with an idea in the short time she's been given, she hears from Yurika about how her commercial was built up from a simple idea, inspiring Aoi to use a fashion show as the basis for her music video.
Whilst awaiting WM's performance, Mikuru worries that she won't be able to match Soleil's performance, but Mizuki gives her some assurance, stating she chose to face Soleil because they would be tough opponents. Meanwhile, Ichigo receives a call from Ringo, who states it is thanks to WM's appearance that Soleil is able to shine as a legend.
Mizuki and Mikuru announce they want to challenge Soleil in a contest. Deciding to bring Soleil out of hiatus, Ichigo, Aoi, and Ran accept the challenge, but find their conflicting schedules give them little time to practice with each other. Noticing Akari and her roommate being Otome's managers for the day and remembering the time she herself became Mizuki's manager, Ichigo decides to arrange everyone's schedules so that whenever one person is working, the other two act as their managers.
Orihime and Tiara announce the beginning of the Aikatsu8 Elections, in which fans will show their support for their favorite idols, and the eight most popular idols will form a special unit known as Aikatsu8. They declare that the Elections are not limited to idols from Starlight and DreAca, so Mizuki and Mikuru from WM are eligible to participate.
Ran is invited to audition for a drama based on Aladdin alongside Sora, who is also asked to design outfits for the audition. Ran, along with Ichigo and Aoi, undergoes swordsmanship training for the role, with their teacher not only teaching them about the basics, but also how to break realism for the sake on putting on a good show.
As Mizuki and WM reach the top of Aikatsu Ranking charts, Mikuru is tasked by Mizuki to reach the top ten rankings of the individual charts, suggesting that she needs to obtain a Premium dress from Vivid Kiss' top designer, Kayoko, who is currently in America. Whilst pondering about how to accomplish this, Mikuru is tasked with growing and delivering a golden Miracle Flower, which requires watering at specific times of the day whilst also working around her busy schedule.
Having become close friends with Otome during the Partner's Cup, Maria becomes keen to learn more about her, wondering how she became how she is. Meanwhile, Otome hears from Makoto that he is designing a Constellation Premium Dress for Happy Rainbow, but is struggling with ideas. Afterwards, Maria comes across Otome at a kindergarten, which is revealed to be Otome's home, and helps her with preparations for a play of The Wizard of Oz.
After being informed by Raichi and Noelle, Aoi and Kii go to visit Ichigo and Seira, who are nervous about going up against WM following their performance, with both of them expressing how they don't want to hold the other back. As each of the pairs give their performance, Ichigo and Seira observe how the partners compliment each other perfectly in unique ways. Before their performance comes up, Ichigo and Seira are told that their feelings of not wanting to hold each other back already makes them the perfect partners.
With the appearance of WM proving a threat to both Starlight and Dream Academy, Ichigo and the others turn their focus onto choosing an ideal partner, with Starlight students allowed to pair up with Dream Academy students. The girls who had yet to find a partner gather up together and try some test runs with different partner variations to see what works for them.
Akari shows up with a shorter haircut, which the others help to straighten up. Later, Ichigo ends up encountering Mizuki, who reveals she is forming her own unit from a new agency she founded herself, before leaving some cryptic words concerning waffles. The next day, both Starlight and Dream Academy announce the revival of the Partner's Cup, a tournament for idol pairs.
Aoi is requested to appear in a concert promoting a Futuring Girl Constellation Dress, in which she is expected to perform a Constellation Appeal. As Aoi wonders how she can pull off a Constellation Appeal, Tiara tells her that she is much like water, though doesn't get an opportunity to explain why, leaving Aoi with more questions than answers. Noticing her unease, the other idols each do their part to give Aoi some encouragement.
Seira, Kii, Sora, and Maria are invited to audition for a four-girl drama series. Unable to decide on which roles to audition for, they let Kii's computer choose for them, with Kii ending up as the leader character. The girls ask Ichigo, Aoi, and Ran for advice on drama auditions, learning how to utilise their skills to fit their assigned roles and make them their own.
After producing a successful makeup commercial for Seira, Kii is lined up to audition for the poster girl of her favorite beverage, Brain Thunder. Wanting Kii to audition, Seira tries to take her to search for Magical Toy's top designer while he is in town, but finds it hard to drag her away from producing her next commercial.
Ichigo and the others are informed of a Starlight Idol Festival occurring in March, with Ichigo as the headlining act. However, on the day Orihime announces the festival, it is also revealed that Dream Academy is holding its own Dream Academy Carnival on the same dates. Feeling that it is too much of a coincidence, Ichigo, Aoi, and Ran follow Nao, the only other person who heard about the festival in advance, and learn that he is in fact Tiara's younger brother.
As idols from both Starlight Academy and Dream Academy gather to participate in the Red and White Aikatsu Battle, Mister S is spotted, hoping to find the person responsible for Dream Academy's rise to fame somewhere among them. After interviews, Ichigo, Aoi, and Ran go to greet the event's super special guest, enka singer Sabuko Nishijima, helping to carry her giant 'Enkatsu card' that she had brought to the event.
After Otome, Sakura and Shion pay a visit to Seira's café, Ichigo, Seira, and Kii tail them to get a glimpse of Powa Powa Puririn's activities, which happen to include line-balancing, leaf sweeping and games of tag. It is then shown they are filmed in secret for their television show in order to capture their appeal.
The presence of a reporter known as Mister S, who is infamous for exposing idol love affairs, puts the other idols on high alert. Meanwhile, Aoi and Kii are asked to participate in a fashion show themed around 'first love'. Feeling that Mister S may be targeting Seira, Kii has her take asylum in Starlight Academy, as she feels her secret hobby of cutely talking to cats clashes with her rock idol image.
As the idols have some new promotional photos taken, Ichigo, Aoi, and Ran, along with Seira, are asked to help promote a new camera model by letting fans take pictures of them. After running into each other while practising their candid expressions, Ichigo, Aoi, Ran, Seira, and Kii go shopping together to explore the range of expressions they can make, before stopping by Seira's café.