Pretty Rhythm Harmony Halation is Grace's (CystalCarillon's) first Pretty Rhythm series.
- Yukinomori Honoka
- The series' protagonist. A cheerful who was quite clumsy at the beginning of the series. (Equaling her refusual int he beginning) Her theme color is pink and her fashion element is Lovely.
- Fujimura Mizuki
- Honoka's friend since elementary, and teammate. Mizuki has a colorful personality. Sketching fashion is what she does in her spare time. Her theme color is yellow and her fashion element is Feminine.
- Wakana Sayuri
- Honoka and Mizuki's friend and teammate. Sayuri never could really hide her feelings as a child and can't to this day. Her theme color is red and her fashion element is Sexy.
- Natsumura Tsubasa
- Kiirobara Haruki
- Aoihana Kazuki
- Aiko Tsubaki
- Kiirobara Aya
- Nanami Yukiko
- Minami Shiro
- Honoka's friend who moved to France. He's mentioned in episode 19 but is fully introduced in episode 27 when he 'kidnaps' her. Him and Tsubasa have a rivalry.