One of the main characters of the [[Idolmaster]] series. 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]].

Her mother is [[Kisaragi Chigusa]]. [spoiler]She also has a deceased younger brother, [[Kisaragi Yuu (idolmaster)|Kisaragi Yuu]].[/spoiler]

Voiced by [[Imai Asami]] and, in [[Idolmaster Xenoglossia]], [[Shimizu Kaori]].
如月千早