The player character of [i][[Ensemble Stars!]][/i].  Will be called [b]Anzu[/b] by default and is referred to as such in the supplementary materials. In-game statements say that she has [[long hair|long]] [[brown hair]] and [[blue eyes]].

After transferring to Yumenosaki Academy, Anzu becomes the sole female enrolled in the Producer program and is the only female in the school at all. She manages the various idols obtained throughout the game. She's described as a no-nonsense and straightforward girl who's also a workaholic.

It's hinted that she may be the elder sister of the [i][[Ensemble Girls!]][/i] [[protagonist (ensemble girls!)|]], given that her characteristics match what the protagonist says about their sister. 

[spoiler]In truth, she used to be a student in the school from [i]Ensemble Girls![/i], and her pen name was "Angie". She was also friends with [[Kuromori Suzu]]. Anzu was the leader of a resistance which planned to oppose the school's strict methods. After being betrayed by [[Itou Sakura]] and the student council (especially [[Enjouji Reika]]), who encouraged the students to bully Anzu, she was forced to transfer to Yumenosaki, starting the events of [i]Ensemble Stars![/i].[/spoiler]
あんず 転校生ちゃん あんず(あんさんぶるガールズ!)