One of the main characters of the Idolmaster series.
A cool and serious 15-year-old music enthusiast. While naturally talented, Chihaya is less enthusiastic about the "idol" aspect of her career, preferring classical music, and is actually rather awkward with other people. Well-known for her occasional insecurity regarding her rather flat chest.
- Age: 15 → 16
- Height: 162 cm
- Weight: 41 kg
- Birthday: February 25th
- Blood type: A
- Three sizes: 72-55-78
- Hobbies: Classical Music, Training
- Writing Hand: Right
- Dislikes: Faking smiles and being sociable
- Horoscope: Pisces
Chihaya's theme color is blue, and is voiced by Imai Asami.
In Idolmaster Xenoglossia she is voiced by Shimizu Kaori.