IA - ARIA ON THE PLANETES - (イア) is a Vocaloid3 whose voicebank was provided by Japanese singer Lia, who is known for "Tori no Uta", used for opening theme of the visual novel Air . Her design was illustrated by Aka Akasaka, while the design direction was by Maxilla Inc.
IA was released on January 27, 2012.
In March 2017, she received a CeVIO talk voicebank.