Rie Ueda

She is Madoka's classmate in Graphic Design and friend. She is also Shirou's sex partner and high school friend. During her high school, it is revealed that her both parents cheated each other, resulting Rie to be sexually attached with Shirou and destroys happiness of other people. After she found out the peep hole from Shirou, she manipulated Yoneyama in her plans to eradicate the relationship between Emiru and Tatsuhiko.