Egoist is a Japanese visual kei rock band formed in 2011, best known for their distinctive fusion of alternative rock and anime soundtracks. The group gained significant prominence through their collaboration with the anime series Guilty Crown, where their music served as a central narrative element. Their discography features the track Namae No Nai Kaibutsu, a powerful composition that highlights their dramatic vocal style and intense instrumentation. Another notable recording, All Alone With You, further demonstrates their ability to blend emotional depth with energetic rock arrangements. The band's work is characterized by a unique aesthetic that bridges the gap between traditional rock structures and the emotive storytelling found in animation. Their recordings have established them as a significant force within the Japanese music scene, appealing to fans of both visual kei and anime music.