Kirara was born in New Zealand. Although she is often lonely and pampered, she developed great color and design sense from her mother, who is a painter. Kirara is also known as an idol born into the skin of a prodigy.

Back in New Zealand, Kirara once participated in a Sheep Shearing Contest with Caroline but felt upset when others judged her for her unique styling for Caroline instead of the usual shearing involving no style and only speed. It was then where Elza found her and told her that Elza likes Kirara's weirdness, her aura in which no one else has. Invited by Elza to perfect her radiance, she enrolled into Venus Ark due to her admiration for Elza.

Yume Nijino is in a pinch!?
A luxury school idol cruise liner called Venus Ark has suddenly appeared!
And the perfect idol who leads this ship is "Elza Forte"!!
While traveling around the world, she gathered the most excellent idols and brands she could find.
And now she has set her eyes on her next target, Yume Nijino of Four Star Academy.<br><br>

(Source: Aikatsu Stars! Wiki)

Raki Kiseki is a second-year middle school student who transfers to Star Harmony Academy to become an idol. However, when she uses an Aikatsu Pass she received from her big sister (an Aikatsu engineer), something mysterious happens. Lots of doors appeared before her, and when she opens them, she meets Aikatsu idols she never knew before, such as Yume Nijino. Raki vows to design her own premium dress and perform in it on stage.<br><br>(Source: Anime News Network)

Kirara Hanazono