As the New Year rolls in, Orihime informs Mizuki of her planned partnership with Ichigo for a special stage event. Meanwhile, Ichigo ends up eating too much over the New Year's break and gains weight by the time school starts up again.

As the day of the concert arrives, Ichigo's mother, Ringo, has a feeling of nostalgia as she takes Raichi to the theater. Meanwhile, Ichigo is nervous as she hasn't been able to do three Special Appeals during her rehearsal, but Aoi, Ran and Otome show up to give her their support.

Ichigo, Ran, Otome and Yurika are given the chance to audition for a movie remake of Stylish Thief ☆ Swallowtail, a show which previously starred Masquerade, the idol pair Orihime was a part of. As the gang train for the audition, Yurika chooses not to in order to keep with her vampire character.

Ichigo's father, Taichi, arrives home on April Fools' Day, bringing with him some star grapes that he acquired during his travels.

Mizuki decides to hold an audition at Starlight Academy for two partners to form a new idol unit, Tristar, with her.

As Powa Powa Puririn give a press conference about their involvement with STAR☆ANIS, Shion states she will not join STAR☆ANIS in order to focus on her acting career.

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.

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.

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.

With spring break arriving again, Ichigo, Aoi, and Ran once again attempt to go to the hot springs they missed last time, stopping by the rape blossom field again along the way when they discover a bus stop has been built next to it.

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.

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.

Asked by Kii's computer to find out the differences between Starlight Academy and Dream Academy, Ichigo and Seira trade places and spend a day attending each other's school.

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.

With Halloween approaching, Johnny tasks students with collecting as much candy as possible in order to star in the annual Nightmare Party.

Raichi and Noelle's classmate, Asahi Azuma, who is a big fan of Akari, learns that she'll be appearing in her first handshake event alongside Sumire.

Yuu goes off on a month-long exchange program with Himezakura Girls Academy in Kyoto, who send one of their own students, Miyabi Fujiwara, to Starlight Academy in her place.

With only three days remaining before Miyabi must return to Kyoto, Akari and the others make plans for a proper send-off. Meanwhile, as Miyabi is offered a stage for her final day, she decides she wants to compete against Sakura in order to challenge herself.

When asked to form an idol unit for her next single, Sumire decides to ask Rin to become her partner, feeling that the new song fits Rin's dancing ability perfectly.

Following the formation of so many units, Orihime announces a Unit Cup for both existing and new units. Wanting to enter the event herself, Kokone invites Miyabi over to be her unit partner, naming their unit Fluffy Sweet Nadeshiko.

Hinaki and Juri are hired to be image girls for a Mexican food booth at a world food festival. While helping with the booth's preparations, Hinaki suggests calling in Juri's father, Kamino Serio, to make a special dish using jalapenos, among many other ideas.

Rin and Madoka look forward to attending a summer festival wearing yukatas designed by Suzuha, also being joined by Juri. As the girls enjoy the sights of the festival, Rin and Madoka become curious when they overhear Juri talk about going on a date and decide to follow her, eventually learning she is just meeting up with her father, while Tsubasa and the teacher enjoy a guy's night out.

As PowaPowa Puririn prepare for the Great Starlight School Festival, Shion learns that the recording schedule for the movie she is starring conflicts with their concert, but becomes determined to attend both.

The now hottest Jewelry brand "Thrilling Carat" is holding a CM (commercial) audition, and Akari Ōzora, Sumire Hikami and Hinaki Shinjō have been invited to participate in the audition. The three did a lot of research about Jewelry despite their busy schedule in order to pass the audition, and enjoyed it very much. Inspired by the trio, Nono Daichi and Lisa Shirakaba decides to join in on researching...!

The idols of Starlight School where Akari Ōzora and her friends are at has received an offer for the CM of "Happiness Toys", a newly standing toy brand that was sponsored by a major toy manufacturer! Not only an offer was received, the key to the success of the brand is to grasp "the very first product"'s planning stages and to cooperate with it...!

Nono Daichi and Lisa Shirakaba who has received a boost from seeing Akari and her friends work hard training everyday for the Starlight Queen Cup, has also decided to work hard towards their goal of participating in the Starlight Queen Cup. But at the same time, Nono who would like to participate with Lisa as a PR (public relations) in a potato convention in Hokkaido named "May Queen Cup" (May Queen is a variety of potato), finds Lisa making a gloomy face...

Akari and the others go to Dream Academy to attend its annual DreaCarnival, where they catch up with Seira and the other Dream Academy idols. Along the way, they discover that Noelle has enrolled as a middle-school student, hoping to become an idol like her sister.

Rin and Madoka decide to respectively help Sumire and Akari train for their performance, while Hinaki speaks with Juri before receiving some flowers from Mikuru. As the final day of the Starlight Queen Cup begins, Hinaki is the first to perform, managing to overtake Juri in the rankings. During her performance, Sumire attempts a Special A-Rank Fever Appeal but fails to land it successfully.