Yuuki Saya

Japanese name:

結城早夜

Saya is Tomo's best friend and a Lemon Angel. She has red hair done in pigtails. She was once a magazine model and a cosplay model at the same time, but left both jobs to pursue a life of singing. She states that she wants to sing to make others happy. Although she is assertive and stuck up, she has inner feelings( best friend) for Tomo and Erika and is quick to defend them against hostile rivals. She is a horrible cook, as shown in episode eight when she made the other Lemon Angels sick from her cooking.

Wikipedia