Tsumugi Shirogane (白銀 つむぎ, Shirogane Tsumugi) is a student in the Ultimate Academy for Gifted Juveniles. Her title is the Ultimate Cosplayer.Tsumugi is a self-described plain-looking girl of a rather tall height and fair complexion. She has knee-length teal-blue hair parted in the center, straight and smooth at the base and gradually splitting into waves near the tips. Her eyes are large, round, and a soft teal-green color. She wears round, rimless glasses with white temples.