- Flowers like orchids, chrysanthemums, camellias, roses and peonies
- Plants and fruits including bamboo, eggplants, grapes and chestnuts
- Animal figures including small birds, butterflies, chicks, crabs and goldfish
Koike also explains the philosophy of Sumi-e, which emerges from the use of negative white space to enhance the painted forms. Readers will enter into a world not just of black and white, but of infinite shades of gray which are capable of evoking all the sensations of color using these techniques.