Daisuke Achiwa (阿知波大輔, Achiwa Daisuke) is an Atelier series composer who has contributed on-and-off to most of the games from A1 to A17. He will also compose tracks for A18 (Atelier Firis). Most of his composition falls into the time-frame from the start of the Iris trilogy (A6) to the end of Mana Khemia (A10), as well as every title since Meruru. He will be composing for A18 as well, as he mentioned a boss battle track Ressurection on his status.