It's almost Setsubun and Starlight School is busy in preparation of the event. But when Ran decides to enter she tries to choose between being her self or offering something that will please others- even if she doesn't like it.

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.

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.

Mizuki meets up with Orihime and proposes a Twinkle Star Cup, in which both Starlight Academy and Dream Academy will each put forward an idol to team up and challenge WM.

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.

Juri feels downhearted as she isn't satisfied with her own performance for an upcoming episode. Karen explains to her that when she was in an acting rut, it was a premium dress from her favorite brand, Sangria Rosa, the helped her overcome it.

With Akari, Sumire, and Hinaki on their long-awaited off-time, Akari suggests they go on a camping trip at the Dreamy Lake near Tsubasa's headquarters.

Madoka, Rin, and Juri all decide to form a unit together, but soon become concerned that their preferences and styles clash with each other. Looking for a way to feel united, the girl meet up with Encierro's disciple, Atsurou Muleta, who offers to make them unit dresses. However, Atsurou struggles to come up with a design that unifies the girls all together.

An All Star Idol special drama named Idol Universe War "Ozoracon" will be taking place at Starlight School. Right now, on the stage of the Idol Academy in the Universe, Galaxy☆Starlight, the fierce story of the splendid idols begins now ――!

Entering the month of December, the New Year Program that the TV Station is recording is in a mess. Akari Ōzora and her fellow Starlight Idols who are participating in the recording will beautifully finish the recording while being busy with their own personal jobs and will do their best to enjoy each and every one of them. Among those idols, Nono Daichi and Lisa Shirakaba are getting excited and bursting with thoughts about their own Aikatsu's.

Risa decides she wants to perform Mizuki's signature song, "Move on now!", for the Starlight Queen Cup, as it was the first song she sung on her own. However, she becomes nervous when she learns Mizuki herself will be providing live commentary. While doing a drama shoot with Juri, Risa hears from her about how she gained the confidence to become her own idol. The first day of the Starlight Queen Cup soon gets underway, with Juri managing to obtain an Appeal Ranking of A to place at the top spot. Risa finishes the day's events with her performance, placing just behind Juri, before receiving some personal thanks from Mizuki.