Emiko is Daisuke039s mother an extremely hyperactive woman who does not act her age. She prepares Dark039s costumes for when he goes out to steal artwork. She is also responsible for sending out the notices to the police that tell them what when and where Dark039s next target will be. It made her very upset as a young girl that she could not become a phantom thief. Emiko is very much in love with her husband Daisuke039s father Kosuke.