Generally speaking, the sketch and composition is laid out using the Conté crayon. Shadows are darkened monochromatically using both Conté and India ink. The color composition is then blocked in using diluted acrylics. The three-dimensional textured aspects in the majority of her paintings are created using molding paste and a palette knife. During the addition of stronger colors additional water and the artists' fingers (smudging) are used to create the glowing gradiation which is apparent in much of Kojima's artwork. Once the base paint is finished, metallic paints are applied with a palette knife. Glows and highlights are enhanced using a gloss polymer medium.