EGOIST

EGOIST is a Japanese j-pop duo formed in 2011 by vocalist chelly and songwriter-producer ryo of supercell. The project began for the anime Guilty Crown as the act associated with the heroine Inori Yuzuriha. In that setup, chelly provided the vocals, while ryo handled the music, lyrics, and production. Their work for the series included "Euterpe", "The Everlasting Guilty Crown", and "Departures ~Anata ni Okuru Ai no Uta~ (Departures ~あなたにおくるアイの歌~)". The debut album Extra terrestrial Biological Entities followed in September 2012. After Guilty Crown, EGOIST continued as an active music project. The duo released songs for other anime, including Psycho-Pass and Kabaneri of the Iron Fortress, and developed live performances that used a 3D model tied to Inori Yuzuriha. In 2021 chelly began parallel solo activity as reche while continuing with EGOIST. The duo released its final single, "当事者", on May 10, 2023. In August 2023, EGOIST announced the end of the project, and its activities concluded with a final concert at Pacifico Yokohama on October 9, 2023.