Doronjo and her accomplices, Boyacky and Tonzra, form a Doronbow Gang under the direction of Dokurobey, the Thief God.They are on a search for the Dokuro Rings,which are fabled to grant every wishes to the being able to collectall five of them. To prevent the evil ambition of Dorombow, Gan and Ai transforms to a super-hero Yatterman.