EGOIST is a fictional band that was created for anime Guilty Crown with vocals provided door Chelly and lyrics provided door leader of Supercell, Ryo.
About Chelly: From May 25th to June 19th, 2011, Supercell held an audition to find two new guest singers for their group. From over 2000 candidates,17 jaar old Chelly and 15 jaar old Koeda were selected to be Supercell's new singers. Chelly sung the vocals for Yuzuriha Inori (Guilty Crown) in their fictional band named 'EGOIST'. She is a good friend of Koeda and It has been noted that Chelly loves to draw. She was born on 12 April, 1994.