Мідорікава Сара

She is a 1st-year student at Kirarigaoka Middle School. She is a Cool type idol whose preferred brand is Romance Beat.

A tomboyish cool girl with a rock and roll like style to her. She tends to keep herself hidden in the shadows, making sure to stop others from escaping anything. Girls naturally flock to her charming behavior and when she plays her guitar.

(Source: Kiratto Pri Chan Wikia)