He is one of the homunculus "Chim" who grew bigger by using a secret medicine. Currently he is traveling with Piana, master of Lulua. He calls Lulua "Nano Master". Lulua travels through Arland along with the atelier of the hoover carriage. In addition to supplementing tools, Chim Dragon is also doing housework, and one of the people indispensable for her journey..