One of the characters available in THE iDOLM@STER: Cinderella Girls.
Card
Kirari's basic card availability is "Rare". She has gotten four extra S Rare card sets, her titles are "Lovely Princess", "Cutie Maid", "Gothic Princess" and "New Year Princess". She also received a Rare set for the Onsen gacha.
Source: project-imas wiki
In a collaboration between the two Mobile games, Cinderella Girls and Granblue Fantasy, she also appears as a guest character in Granblue Fantasy.