[BANDORI] Maruyama Aya is a first-year student at Yotsuba Women's University, as well as the leader and vocalist of Pastel*Palettes. She also works part-time at the fast-food store with Kanon. Aya has always admired idols ever since she was young, and the reason she wanted to become an idol was because of the idol group Marmalade's lead, Ayumi.[1] Aya then spent three years being a trainee idol before she was chosen to become the lead singer for Pastel*Palettes.