Daisuke Achiwa (阿知波大輔) is a Japanese composer, and former member of the Gust Sound Team. He has composed the music for the following Gust games: - Welcome House 2 - Atelier Marie - Kuroi Hitomi no Noire - Taishou Mononoke Ibunroku - Atelier Viorate - Atelier Iris: Eternal Mana - Atelier Iris: Eternal Mana 2 - Ar tonelico - Mana-Khemia - Ar tonelico II - Mana-Khemia 2 - Atelier Annie - Atelier Lina - Atelier Meruru - Atelier Ayesha - Atelier Escha & Logy