Tsumugi Shiraishi is a character from the multimedia project 'The Idolmaster Million Live!' She is an idol represented by the 765 Production agency. Tsumugi is known for her elegant and graceful demeanor, often exuding a mature aura that belies her young age. She is particularly skilled in traditional Japanese arts, such as tea ceremony and flower arranging, which she incorporates into her idol performances. Tsumugi plays a significant role in the series as a member of the Million Stars, a group striving to achieve their dreams and bring joy through music and performance.