Amidaba (アミダバ, Amidaba), nicknamed "Seven-Colored" Amidaba, is a former Stea Republic Army Officer. She is a skilled O.P.T. and friend of Sect Crescent and Kirin. She meets Ruby in the dungeons of Entotsu City and aids in their escape. She also helps out in the fight against Mekisis and Wise Yuri. After the fight, she tells them to go to the Ruins of Dust Storm and meet with a man called Wick. She appears to have O-parts embedded into her hands, but is capable of using many O-Parts. Her current O-Part is Rainbow. She has the ability to use any O-Part.