The president of Pretty Top. She usually forces Aira and Rizumu to do prism shows when they don't want to or when they least expect it. She is 34 years old. It is later revealed that she was planning on getting married with someone before but he ran away before the ceremony. It is unknown about who the man was though. It is also revealed that she too once participated in the prism show and fought against Sonata Kanzaki. She won the first round but couldn't do the Aurora Rising which made Sonata the prism queen. She usually tries to raise the amount of money Pretty Top makes. She doesn't actually let Aira and Rizumu rest often. She was very worried about what would happen to Rizumu if she had done Aurora Rising. She is actually siblings with Jun.   (Source: Wikipedia) 

Prism Stars are performers on the new popular ice show, Prism Show. They are superidols whose techniques, singing and fashion sense are a cut above all others. Aira and Rizumu are two Prism Stars whose goal is to become the best, the Prism Queen. However, the road to success is bumpy.<br><br>
(Source: AniDB)

Three years after the events of "Pretty Rhythm: Aurora Dream," Aira, Mion and Rizumu have grown up and tutor a new group of aspiring idols: Karin, Reina, Mia and Ayami, who form the Prizmmy&#9734;. Teenage girls from Korea, named Somin, Shiyoon, Haein, Chaekyung and Jae Eun (who are the PURETTY), appear as a rival group. 

Kyouko Asechi