The series centers on Mirai Momoyama and Emo Moegi, two childhood friends who aspire to be idols. In order to do this, they use the Pri☆Chan System, a system used by celebrities and companies to upload and broadcast content that is popular among young girls, to produce their own Internet channels.
- Catchphrase: Mirai's is "Kiratto!" ("sparkling"), Emo often uses "Emoi" (very roughly translating to "good vibes").
- Colorful Theme Naming: The main characters' family names have the kanji for their hair color, with Momoyama (Pink) and Akagi (Red) being two examples.
- Lucky Charms Title: The title has a star in it so.....
- You Gotta Have Blue Hair: Mirai's is pink, Rinka has indigo, and Sara has emerald.