Rei Aoki

Age: 17 at the beginning; 24-25 in the last chapters
Birthday: 3rd December

She is originally from Tokyo. She's part of the Tsukikage teather group and works part-time as a waitress, Very close to Maya, thinking Maya as her little sister. She is tall and beautiful, but somewhat boyish, and that's why she is ofen mistaken to be a boy and has lots of female fans.