Release Hallucination is an avant-garde progressive metal project established in 2012, recognized for its innovative fusion of symphonic and gothic elements interwoven with sophisticated compositions. Comprising the talents of emi on vocals and lyrics and Kaoru Hirato on guitar and composition, their music showcases Japanese lyrics harmonized with progressive metal, augmented by rich dark, gothic, and symphonic textures. They strive to expand the boundaries of metal by seamlessly integrating jazz theories and contemporary classical influences into their sound.